I think students should ________ to do homework with friends.

A. allowed

B. be allowed

C. allow

D. be allowing

He should stop ________ that terrible hat.

A. to wear

B. wear

C. wearing

D. wore

_______ present they are too busy to go.

A. To

B. At

C. With

D. For

It is a good way to keep both teachers and students ________ .

A. to happy

B. happing

C. happy

D. happily

Walking is good ________ you.

A. to

B. at

C. for

D. of

?Listen! Helen is singing in the next room.

?It ________ be Helen. She has gone to Beijing.

A. can't

B. mustn't

C. may

D. should

You never go to the movies, ________ ?

A. don't you

B. do you

C. won't you

D. can't you

I got up so ________ this morning that I missed the first bus.

A. early

B. late

C. quietly

D. nearly

He raised his voice to make everybody in the room ________ him clearly.

A. listen

B. to listen

C. to hear

D. hear

?Do you have enough books to read?

?No, I think we need _______ books.

A. another two

B. other two

C. two another

D. two other