Câu hỏi: Would you mind _______ more clearly, please?

A. speak

B. speaking

C. to speak

D. spoke

Câu 1: My parents do not allow me______, so I had to stay at home.

A. to go

B. go

C. going

D. gone

Câu 2: In this semester, we have to _____________ our major for future occupation.

A. choose

B. choosing

C. chosen

D. chose

Câu 3: If you want to be a telephonist, you should _________ your communication skills.

A. practiced

B. practice

C. practicing

D. to practice

Câu 4: He won't be happy if you ______ come!

A. don't

B. haven't

C. didn't

D. won't

Câu 5: That girl tried to avoid _______ some of my questions.

A. answer

B. to answer

C. answering

D. answered

Câu 6: He ____________ abroad before I met him in Sydney.

A. studied

B. study

C. will study

D. had studied