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

A. of

B. about

C. to

D. of

Câu 1: The river Rhine flows _____ the North sea.

A. to

B. into

C. in

D. for

Câu 2: He's not very keen _____ watching football, but his wife is.

A. on

B. at

C. to

D. for

Câu 3: We’ll buy a smaller house whenthe children have grown____________ and left home.

A. to

B. up

C. at

D. for

Câu 4: Are you worried _____ the final examination?

A. about

B. to

C. with

D. of

Câu 5: Your friend is always complaining__________ her job.

A. with

B. about

C. of

D. to

Câu 6: The computer isn’t working. It broke____________ this morning.

A. down

B. in

C. with

D. at