It’s kind _________ you to help me with my English. You know, It’s impossible _______ me to pass this exam without your help.
A. of , for B. of , of
C. for , of D. for , for
— When did you finish your work?
—______________.
A. Until he came back B. Not until he came back.
C. Before he came back. D. Not after he came back.
—Did you go to Jack’s birthday party?
—No, I _______.
A. am not invited B. wasn’t invited
C. haven’t invited D. didn’t invite
—How long has your mother ______ Xinghua?
—About two weeks. But she will come back tomorrow.
A. been to B. been in C. gone to D. gone in
—You are late again. The class _________ for five minutes.
—Sorry. There’s something wrong with my bike.
A. began B. has begun C. was on D. has been on
— Must I return the book this week?
— No, you ______ . You can keep it for 20 days.
A. mustn’t B. needn’t C. can’t D. wouldn’t