——Is this_____football, boys?——No, it is not .
—Jim, which _________do you like best? —I like geography best.
— _______ classes do you have every weekday? —Seven classes.
—______ drive after drinking. It’s too dangerous(危险的). —OK. I won’t.
—What are you doing, Jack? —I am _______ my schoolbag, but I can’t find it.
—What is Lucy doing now? —She _____ a book.