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

A. to

B. for

C. by

D. of

Câu 1: _____ the children left, the house was very quiet.

A. After

B. Before

C. On

D. To

Câu 2: We were very grateful _________ our friends for all of their assistance.

A. to

B. for

C. off

D. with

Câu 3: Helen takes____________ her mother in many ways.

A. up

B. off

C. after

D. to

Câu 4: If there was a technical failure, Gagarin might never get __________ to the Earth.

A. to

B. back

C. from

D. down

Câu 5: We need to set ___________ early tomorrow.

A. off

B. of

C. for

D. to

Câu 6: He's not very keen _____ watching football, but his wife is.

A. on

B. at

C. to

D. for