Câu hỏi: Have you washed your hands______________ having lunch?

A. before

B. after

C. during

D. for

Câu 1: He was accused _____________ having stolen a car.

A. for

B. to

C. of 

D. by

Câu 2: The participants must find _______________ all the answers in order to go in the next round.

A. out

B. up

C. of

D. by

Câu 3: She is accustomed __________ getting up early.

A. to

B. for

C. of

D. by

Câu 4: The Englishcontest organized___________ our teachers is an annual event in my school.

A. to

B. off

C. for

D. by

Câu 5: Opening the parcel, hewas surprised ____________ what he saw.

A. at

B. in

C. to

D. with

Câu 6: On behalf_____________ our group, he made a speech at the meeting.

A. of

B. to

C. in

D. by