—You’re not good at biology, are you?—______.A. Yes, I’m not.B. No, I am. C. Yes, I am.
The boy came home late, and ______ the beginning of the football game.
--- How do you like the book? --- __________.
Tom ______ come with us together, but he is not very sure yet.
---It’s dangerous here. We’d better go out quickly. --- I think we should let ______ go first.
--- When was the 29th Olympic Games held? --- ________ 8:00 of August 8th ,2008, Beijing.