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

A. to

B. for

C. at

D. until

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: The plane took___________ very quickly.

A. of

B. off

C. to

D. up

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: Are you worried _____ the final examination?

A. about

B. to

C. with

D. of

Câu 6: Are you acquainted _____ the lady?

A. with 

B. about

C. to

D. at