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: We areall aware____________ the importance of the environment protection.

A. of

B. about

C. to

D. of

Câu 2: Courses like shoemaking or glass engraving provide people___________ practical skills they can do with their hands.

A. to

B. with

C. of

D. for

Câu 3: The river Rhine flows _____ the North sea.

A. to

B. into

C. in

D. for

Câu 4: I waited _____ 10 o'clock and then went home.

A. until

B. to

C. for

D. in

Câu 5: He had learned the whole poem _____ heart.

A. in

B. of

C. to

D. by

Câu 6: Helen takes____________ her mother in many ways.

A. up

B. off

C. after

D. to