They _______ in Nanjing since they came to China two years ago.
A. lived B. have lived C. live D. are living
I don’t know when my son ________ back. When he_________ back, I’ll call you.
A. comes, comes B. will come, will come
C. comes, will come D. will come, comes
---Must I finish doing my homework now, Mum?
---No, you ________.
A. can’t B. may not C. mustn’tD. needn’t
---_______ beautiful music it is!
A. What B. How C. What a D. How
He’s hardly late for school, ?
A. isn’t he B. is he C. has he D. hasn’t he
Some Math problems are difficult for the students work out.
A. so, that B. not, but C. such, that D. too, to
