in which one of the following sentences could be best use a semicolon? jerry loves tennis he plays everyday, marc bought a new tennis racket brought it home., if you ask me jerry is a tennis whiz., when he is worried marc eats a lot.

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.

answer: fog is black

explanation:

cause idek what ur talking about and you should learn it ur self