Let’s go through each question one by one, using simple grammar rules to find the correct answers.
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Question 1:
> Concentration is ______ by alertness.
This sentence is in passive voice (“is ___ by...”), so we need a past participle verb.
“Helped” is the past participle of “help”.
✔ Correct:
Helped
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Question 2:
> Effective speaking ______ on effective listening.
Subject = “Effective speaking” → singular → needs singular verb.
“Depends” is singular present tense.
✔ Correct:
Depends
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Question 3:
> They believe that logic ______ no place in faith.
“Logic” is singular → needs singular verb.
“Has” is singular present tense.
✔ Correct:
Has
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Question 4:
> During (1) ______ hottest part of the year, many of our city streets seem to be on fire (2) ______ masses of Gulmohar flowers. This (3) ______ one of the most beautiful trees.
- (1) “hottest” is superlative → needs “the” → “the hottest”
- (2) “on fire with masses...” → common phrase: “on fire with [something]”
- (3) “This” refers to “Gulmohar tree” → singular → “is”
✔ Correct:
The, with, is
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Question 5:
> He screamed so loudly that the pigeons pecking (1) ______ the scattered grains in (2) ______ courtyard (3) ______ off in a flurry.
- (1) Pigeons peck “at” something → “pecking at”
- (2) “courtyard” is specific → “the courtyard”
- (3) Past tense needed because “screamed” is past → “took off”
✔ Correct:
At, the, took
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Question 6:
> An air-conditioning system ______ a refrigerated gas like Freon to cool the air.
Subject = “An air-conditioning system” → singular → needs singular verb.
“Uses” is singular present tense.
✔ Correct:
Uses
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Final Answer:
1. A
2. D
3. A
4. B
5. C
6. B
Parent Tip: Review the logic above to help your child master the concept of 8th grade grammar worksheet.