Câu hỏi: These photographs were taken _____ a friend of mine.

A. to

B. for

C. by

D. of

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: He had learned the whole poem _____ heart.

A. in

B. of

C. to

D. by

Câu 3: I waited _____ 10 o'clock and then went home.

A. until

B. to

C. for

D. in

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

A. After

B. Before

C. On

D. To

Câu 5: His opinion is different _____________ mine.

A. to

B. with

C. about

D. from

Câu 6: If you don’t pay attention_________ the teacher, you won’t understand the lesson.

A. for

B. to

C. at

D. about