Adverb Clause of Reason worksheet for English grammar practice, featuring fill-in-the-blank and error correction exercises.

Part I: Choose the word or phrase which best completes each sentence.

#### 1. John visited his friend ………………… they needed to discuss their homework.
- A. because
- B. because of
- C. due to
- D. owing to

Explanation:
The correct answer is A. because.
- "Because" is used to introduce a clause that explains the reason for an action. In this case, "they needed to discuss their homework" is a complete clause, so "because" is appropriate.

Answer: A

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#### 2. John visited his friend ………………… their homework assignment.
- A. because
- B. because of
- C. since
- D. as

Explanation:
The correct answer is B. because of.
- "Because of" is used when the reason is a noun or noun phrase (e.g., "their homework assignment"). Since "their homework assignment" is a noun phrase, "because of" is the correct choice.

Answer: B

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#### 3. ………………… computers were stolen from the lab, the police questioned students.
- A. Since
- B. For
- C. As
- D. All are correct

Explanation:
The correct answer is D. All are correct.
- "Since," "for," and "as" can all be used to introduce a reason in this context. Each conveys the idea that the theft of computers led to the questioning of students. Therefore, all options are grammatically correct here.

Answer: D

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#### 4. The police questioned students ………………… the thief.
- A. because
- B. due to
- C. owing
- D. since

Explanation:
The correct answer is B. due to.
- "Due to" is used when the reason is a noun or noun phrase. Since the sentence implies a reason related to the thief (likely "due to suspicion of the thief"), "due to" is the most appropriate choice.

Answer: B

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#### 5. ………………… her good work, Melissa got the job.
- A. Because
- B. Since
- C. As
- D. Thanks to

Explanation:
The correct answer is D. Thanks to.
- "Thanks to" is used to express gratitude or acknowledgment for a specific reason. In this context, Melissa's good work is the reason she got the job, and "thanks to" fits well.

Answer: D

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#### 6. Melissa got the job ………………… she had excellent grades and participated in many activities.
- A. because of
- B. since
- C. due to
- D. owing to

Explanation:
The correct answer is A. because of.
- "Because of" is used when the reason is a noun or noun phrase. Here, "she had excellent grades and participated in many activities" is a complete clause, but the structure suggests a noun-like function, making "because of" the best choice.

Answer: A

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#### 7. ………………… John told the truth, he was not arrested.
- A. Thanks to
- B. Now that
- C. Because of
- D. All are correct

Explanation:
The correct answer is D. All are correct.
- "Thanks to," "now that," and "because of" can all be used to convey the idea that John's honesty led to him not being arrested. Each option is grammatically valid in this context.

Answer: D

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#### 8. ………………… telling the truth, John was not arrested.
- A. Seeing
- B. Seeing as
- C. Seeing that
- D. In view of

Explanation:
The correct answer is C. Seeing that.
- "Seeing that" is used to introduce a reason or explanation. It fits well with the structure of the sentence, where "telling the truth" is the reason John was not arrested.

Answer: C

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#### 9. ………………… you have passed your driving test, you can drive on your own car.
- A. Because of
- B. Now that
- C. Given that
- D. B & C

Explanation:
The correct answer is D. B & C.
- Both "now that" and "given that" can be used to introduce a reason or condition in this context. They both convey the idea that passing the driving test is the reason the person can now drive their own car.

Answer: D

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#### 10. You can drive on your own car now ………………… you have passed the driving test.
- A. as
- B. because of
- C. thanks to
- D. due to

Explanation:
The correct answer is A. as.
- "As" is used to introduce a reason or explanation, especially when the reason is closely related to the main clause. In this case, passing the driving test is the reason you can drive your own car, making "as" the best choice.

Answer: A

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Part II: Find and correct the mistake.

#### 1. The reason for she doesn’t have many friends is that she’s rude and unpleasant.
- A. The reason for
- B. she doesn’t have
- C. is that
- D. she’s rude and unpleasant

Explanation:
The mistake is in A. The reason for.
- The correct phrase should be "The reason why." The sentence should read:
"The reason why she doesn’t have many friends is that she’s rude and unpleasant."

Correction: Replace "for" with "why."

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#### 2. I want to be ready because of they may need a new goalkeeper.
- A. I want to be
- B. because of
- C. they may need
- D. a new goalkeeper

Explanation:
The mistake is in B. because of.
- "Because of" is used with nouns or noun phrases, but "they may need" is a complete clause. The correct conjunction is "because." The sentence should read:
"I want to be ready because they may need a new goalkeeper."

Correction: Replace "because of" with "because."

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#### 3. Now that I had spent all my money, so I couldn’t go to the concert.
- A. Now that
- B. I had spent
- C. so
- D. I couldn’t go

Explanation:
The mistake is in C. so.
- The use of "so" after "now that" creates redundancy. The sentence should be simplified to remove "so." The corrected sentence is:
"Now that I had spent all my money, I couldn’t go to the concert."

Correction: Remove "so."

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#### 4. The design was changed purely for reasons of safely.
- A. The design was changed
- B. purely
- C. for reasons of
- D. safely

Explanation:
The mistake is in D. safely.
- "Safely" is an adverb, but the sentence requires a noun. The correct form is "safety." The sentence should read:
"The design was changed purely for reasons of safety."

Correction: Replace "safely" with "safety."

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#### 5. Tim didn’t feel well due for the fact that he had eaten 15 ice creams.
- A. Tim didn’t feel
- B. due for
- C. the fact that
- D. he had eaten

Explanation:
The mistake is in B. due for.
- "Due for" is incorrect in this context. The correct phrase is "due to." The sentence should read:
"Tim didn’t feel well due to the fact that he had eaten 15 ice creams."

Correction: Replace "due for" with "due to."

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#### 6. Insomuch as they are friends, we can sit them together.
- A. Insomuch as
- B. they are
- C. friends
- D. we can sit

Explanation:
The mistake is in A. Insomuch as.
- "Insomuch as" is archaic and rarely used in modern English. The correct phrase is "since" or "because." The sentence should read:
"Since they are friends, we can sit them together."

Correction: Replace "Insomuch as" with "since" or "because."

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Final Answers:

Part I:
1. A
2. B
3. D
4. B
5. D
6. A
7. D
8. C
9. D
10. A

Part II:
1. Replace "for" with "why."
2. Replace "because of" with "because."
3. Remove "so."
4. Replace "safely" with "safety."
5. Replace "due for" with "due to."
6. Replace "Insomuch as" with "since" or "because."

Boxed Final Answer:
```boxed{
Part I: A, B, D, B, D, A, D, C, D, A
Part II:
1. Replace "for" with "why."
2. Replace "because of" with "because."
3. Remove "so."
4. Replace "safely" with "safety."
5. Replace "due for" with "due to."
6. Replace "Insomuch as" with "since" or "because."
}
```