D.
It means to make. For an example, "I'm going to suffix some pie".
Answer:
2. A. would have to take
3. B. is
4. D. ought to
5. C. needn't have done
6. A. should send
7. C. is to, will have
8. B. mustn't
9. C. ought
10. C. can be done
11. B. will be able
12. C. might be
Explanation:
I have been able to fill the empty spaces with the correct answers.
We see the use of modal verbs in the sentences. Modal verbs are known to be auxiliary verbs that actually express the mood of another verb. These modal verbs are actually used to show possibility, speculation, deduction, prediction, etc.
I'd say the third sentence sounds very supportive, it supports the idea and positivity that service brings.
The right answer is alternative four.
In the excerpt from "A Relay Race to Remember," the expression "he was gliding through the water like a dolphin" injects surprise into the story by making a comparison between that conveys how well Sean performs in he race. The phrase describes that Sean swims as well as a dolphin, meaning that he executes brilliantly at the race.
The rest of the options are not correct because the remark does not develop Malik's character or depicts how he swims, and it is not the end of the story.