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

A. until

B. to

C. for

D. in

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: Are you worried _____ the final examination?

A. about

B. to

C. with

D. of

Câu 3: If you don’t pay attention_________ the teacher, you won’t understand the lesson.

A. for

B. to

C. at

D. about

Câu 4: Are you acquainted _____ the lady?

A. with 

B. about

C. to

D. at

Câu 5: Your friend is always complaining__________ her job.

A. with

B. about

C. of

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