Câu hỏi: Helen takes____________ her mother in many ways.

A. up

B. off

C. after

D. to

Câu 1: Are you worried _____ the final examination?

A. about

B. to

C. with

D. of

Câu 2: We areall aware____________ the importance of the environment protection.

A. of

B. about

C. to

D. of

Câu 3: If there was a technical failure, Gagarin might never get __________ to the Earth.

A. to

B. back

C. from

D. down

Câu 4: He has waited _____ her for a long time.

A. to

B. for

C. at

D. until

Câu 5: _____ the children left, the house was very quiet.

A. After

B. Before

C. On

D. To

Câu 6: She is famous _____________her beautiful face and sweet voice.

A. with

B. about

C. to

D. for