Câu hỏi: She insisted ___________ him wearing the red tie.

A. at

B. with

C. by

D. on

Câu 1: The teacher tried to explain the new formula ______________ his students.

A. to

B. for

C. with

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

A. of

B. to

C. by

D. with

Câu 4: Why were you absent ____________ class this morning?

A. for

B. with

C. by

D. from

Câu 5: The Englishcontest organized___________ our teachers is an annual event in my school.

A. to

B. off

C. for

D. by

Câu 6: _________ the end of the film, the heroine was reunited with her family.

A. During

B. With

C. On

D. At