Câu hỏi: In English lessons we always speak ___________ English.

A. by

B. in

C. to

D. with

Câu 1: The participants must find _______________ all the answers in order to go in the next round.

A. out

B. up

C. of

D. by

Câu 2: On behalf_____________ our group, he made a speech at the meeting.

A. of

B. to

C. in

D. by

Câu 3: This area is rich _________ oil.

A. by

B. to

C. at

D. in

Câu 4: I must try and look_____________ my notes before the exam.

A. through

B. up

C. for

D. after

Câu 5: The teacher tried to explain the new formula ______________ his students.

A. to

B. for

C. with

D. by

Câu 6: Are you acquainted ___________ this man?

A. with

B. to

C. by

D. on