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

A. to

B. up

C. at

D. for

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

A. to

B. into

C. in

D. for

Câu 2: I turned ____________ their offer because they weren’t going to pay me enough money.

A. to

B. down

C. out

D. with

Câu 3: Are you acquainted _____ the lady?

A. with 

B. about

C. to

D. at

Câu 4: He had learned the whole poem _____ heart.

A. in

B. of

C. to

D. by

Câu 5: I waited _____ 10 o'clock and then went home.

A. until

B. to

C. for

D. in

Câu 6: If there was a technical failure, Gagarin might never get __________ to the Earth.

A. to

B. back

C. from

D. down