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

A. to

B. back

C. from

D. down

Câu 1: His opinion is different _____________ mine.

A. to

B. with

C. about

D. from

Câu 2: He has waited _____ her for a long time.

A. to

B. for

C. at

D. until

Câu 3: I waited _____ 10 o'clock and then went home.

A. until

B. to

C. for

D. in

Câu 4: The plane took___________ very quickly.

A. of

B. off

C. to

D. up

Câu 5: The computer isn’t working. It broke____________ this morning.

A. down

B. in

C. with

D. at

Câu 6: We areall aware____________ the importance of the environment protection.

A. of

B. about

C. to

D. of