Comma or Semicolon? Worksheet for grammar practice with fill-in-the-blank exercises.

Task: Comma or Semicolon?

The task requires filling in the blanks with either a comma (`,`) or a semicolon (`;`). To solve this, we need to understand the rules for using commas and semicolons:

1. Commas:
- Used to separate items in a list.
- Used to separate independent clauses when joined by coordinating conjunctions (e.g., "and," "but," "or").
- Used to set off introductory elements, nonessential clauses, or appositives.
- Used in compound sentences where the clauses are closely related.

2. Semicolons:
- Used to separate two independent clauses that are closely related but not joined by a coordinating conjunction.
- Used to separate items in a list when the items themselves contain commas.

Now, let's analyze each sentence and determine whether a comma or a semicolon is appropriate.

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Sentence-by-Sentence Analysis:

#### 1. If I water the plants ______ they won't die.
- This is a conditional sentence with two independent clauses joined by "if." The clauses are closely related, so a comma is appropriate.
- Answer: `,`

#### 2. I left the house ______ it was dark.
- This sentence has two independent clauses that are closely related but not joined by a coordinating conjunction. A semicolon is appropriate here.
- Answer: `;`

#### 3. I have to walk the dog ______ water the plants ______ and do the dishes.
- This is a list of three actions. Commas are used to separate items in a list.
- Answer: `,` and `,`

#### 4. Sam ______ please go away.
- This is an imperative sentence with a direct address ("Sam"). A comma is used after the name in a direct address.
- Answer: `,`

#### 5. Math is hard ______ I prefer language arts.
- These are two independent clauses that are closely related. Since they are not joined by a coordinating conjunction, a semicolon is appropriate.
- Answer: `;`

#### 6. Owls are nocturnal ______ they hunt at night.
- These are two independent clauses that are closely related. Since they are not joined by a coordinating conjunction, a semicolon is appropriate.
- Answer: `;`

#### 7. It rained hard ______ but the game still went on.
- This sentence has two independent clauses joined by the coordinating conjunction "but." A comma is appropriate before the conjunction.
- Answer: `,`

#### 8. I like cupcakes ______ so I ate one at the party.
- This sentence has two independent clauses joined by the coordinating conjunction "so." A comma is appropriate before the conjunction.
- Answer: `,`

#### 9. Pencils can erase ______ pens are permanent.
- These are two independent clauses that are closely related but not joined by a coordinating conjunction. A semicolon is appropriate.
- Answer: `;`

#### 10. I like cats ______ however ______ I'm allergic.
- The word "however" is a conjunctive adverb connecting two independent clauses. It requires a semicolon before it and a comma after it.
- Answer: `;` and `,`

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Final Answers:

1. `,`
2. `;`
3. `,` and `,`
4. `,`
5. `;`
6. `;`
7. `,`
8. `,`
9. `;`
10. `;` and `,`

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Boxed Final Answer:

\[
\boxed{1. , \quad 2. ; \quad 3. , , \quad 4. , \quad 5. ; \quad 6. ; \quad 7. , \quad 8. , \quad 9. ; \quad 10. ; ,}
\]