Câu hỏi: We were very grateful _________ our friends for all of their assistance.

A. to

B. for

C. off

D. with

Câu 1: If there was a technical failure, Gagarin might never get __________ to the Earth.

A. to

B. back

C. from

D. down

Câu 2: She is famous _____________her beautiful face and sweet voice.

A. with

B. about

C. to

D. for

Câu 3: The plane took___________ very quickly.

A. of

B. off

C. to

D. up

Câu 4: Anne’s leaving___________ London tomorrow morning.

A. to

B. for

C. of

D. by

Câu 5: We areall aware____________ the importance of the environment protection.

A. of

B. about

C. to

D. of

Câu 6: Courses like shoemaking or glass engraving provide people___________ practical skills they can do with their hands.

A. to

B. with

C. of

D. for