What event causes Winston to feel that the moment he has been waiting for his whole life has finally arrive A. O'Bnen offers him his first taste of wine
B. O'Brien compliments him on his writing
C. O'Brien extends an invitation to his home
D. O'Brien gives him access to Goldstein's book.

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.

the answer to this question

i'm not good at running