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

A. of

B. about

C. to

D. of

Câu 1: He has waited _____ her for a long time.

A. to

B. for

C. at

D. until

Câu 2: Are you worried _____ the final examination?

A. about

B. to

C. with

D. of

Câu 3: These photographs were taken _____ a friend of mine.

A. to

B. for

C. by

D. of

Câu 4: I shall meet you _____ the corner _____ the street.

A. in/ of

B. to/ of

C. at/ on

D. at/ of

Câu 5: The river Rhine flows _____ the North sea.

A. to

B. into

C. in

D. for

Câu 6: I’m not familiar ____________ his name, but his face seems familiar me.

A. with

B. about

C. to

D. for