Câu hỏi: We areall aware____________ the importance of the environment protection.

A. of

B. about

C. to

D. of

Câu 1: I waited _____ 10 o'clock and then went home.

A. until

B. to

C. for

D. in

Câu 2: These photographs were taken _____ a friend of mine.

A. to

B. for

C. by

D. of

Câu 3: I’m not familiar ____________ his name, but his face seems familiar me.

A. with

B. about

C. to

D. for

Câu 4: I turned ____________ their offer because they weren’t going to pay me enough money.

A. to

B. down

C. out

D. with

Câu 5: She is famous _____________her beautiful face and sweet voice.

A. with

B. about

C. to

D. for

Câu 6: It was not a problem. We looked____________ his number in the telephone book.

A. up

B. for

C. to

D. after