Answer: act as a single unified sentence
Explanation: I suspect this is the answer, because usually it would be like a list. And the list wouldn’t usually be separated in different sentences
Answer: B
Explanation: the answer is B because "go" is a action verb
The answer is A. sewing.
A gerund is a verb that has -ing at the end of it, so sewing is the correct answer! Although gerunds use verbs, they can also work as nouns, like it does here.