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: These photographs were taken _____ a friend of mine.

A. to

B. for

C. by

D. of

Câu 2: Are you acquainted _____ the lady?

A. with 

B. about

C. to

D. at

Câu 3: I turned ____________ their offer because they weren’t going to pay me enough money.

A. to

B. down

C. out

D. with

Câu 4: _____ the children left, the house was very quiet.

A. After

B. Before

C. On

D. To

Câu 5: Helen takes____________ her mother in many ways.

A. up

B. off

C. after

D. to

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