I don't know if you have a specific word bank, but i would call this an "object-action" or "object-function" analogy. the object is the plankton, and plankton's action is to drift. the object is the bird, and birds fly.
Answer:
1. He was planting trees in the garden at that moment.
2. They did not often go to the zoo.
3. Mary had just come there with her sister.
4. The boys did not learn English yet.
5. Did you do your homework when he came?
6. Tom will post those letters soon.
7. We will not buy anything tomorrow.
8. Did Peter always help his father?
9. I was cleaning my bicycle at that time.
Explanation:
The correct answer is A.) Long and complex sentences
The answer is b. because this way you can hear all the characters thoughts and what they are saying. this lets you know how they truly feel versus how they want you to think they feel.