—I don't know if Sam ______ tomorrow.

—Don't worry. I will tell you as soon as he ______.

A. comes; will come

B. will come; comes

C. will come; will come

—I won't get good grades_______ I study hard.

—That's ______ everyone is trying his best to prepare for the exam.

A. until; why B. unless; when C. unless; why

—Han Hong ______ by the reporter yesterday.

—She's great. She helped so many disabled people.

A. was interviewed

B. is interviewed

C. is interviewing

Sandy likes the actors ______ are popular among teenagers.

A. who B. which C. whom

—Would you like ______ cake?

—Thanks, but I'm full.

A. another B. other C. the other

He has never been to Beijing, ______?

A. hasn't he B. has he C. doesn't he

By the time I got back to school, the bell______.

A. rang B. has rung C. had rung

It is careless ______ him to lose his wallet again. I think it necessary ______ him to be more careful next time.

A. of; to B. of; for C. for; for

______ of the girls will join the summer camp to visit England.

A. Three fives B. Third fifths C. Three fifths

—Lucy can't go mountain climbing with us tomorrow.

—_________ I have to do housework at home.

A. So can I.

B. Neither can I.

C. Neither I can.