－I think students should be allowed _____ homework with friends.

－I disagree. They talk instead of ________ homework.

A. do, doing

B. to do, to do

C. to do, doing

D. doing, to do

Ｉdidn’t go to bed _______ I finish my homework.

A. after       B. when       C. if     D. until

The boys don’t know ___________.

A. how do they swim

B. how swim

C. they how swim

D. how to swim

— You didn’t use to play tennis, ______?

— Yes. I still like playing tennis now.

A. didn’t you

B. did you

C. weren’t you

D. were you

__ they were not rich, they tried their best to send their child to the best school.

A. However     B. Because     C. Even though      D. So

Smoking is bad for your dad’s health.

You’d better ask him to ______.

A. give up it

B. give it up

C. take out it

D. take it out

— What was your brother like when he was young?

— He _______ be quiet, but now he’s very outgoing.

A. was used to

B. used to

C. used by

D. was used for

— What do you think of Beijing?

— Wonderful. It ________ changed a lot in the last few years.

A. have       B. has       C. is       D. was

— If you like the new car, why not buy it?

— But it’s really expensive. I can’t ______ it.

A. afford     B. cost     C. Spend    D. pay

— I’m not          the dark any more.

— Oh, you’re brave now. Great!

A. proud of

B. worried about

C. angry with

D. terrified of