Câu hỏi: The Englishcontest organized___________ our teachers is an annual event in my school.

A. to

B. off

C. for

D. by

Câu 1: We could not play soccer due __________ the bad weather.

A. of

B. to

C. by

D. with

Câu 2: The local people are very hospitable___________ strangers.

A. to

B. for

C. with

D. about

Câu 3: The participants must find _______________ all the answers in order to go in the next round.

A. out

B. up

C. of

D. by

Câu 4: On behalf_____________ our group, he made a speech at the meeting.

A. of

B. to

C. in

D. by

Câu 5: Thank you very much____________ inviting me to your party.

A. on

B. by

C. to

D. for

Câu 6: The teacher tried to explain the new formula ______________ his students.

A. to

B. for

C. with

D. by