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

A. speak

B. speaking

C. to speak

D. spoke

Câu 1: If you want to be a telephonist, you should _________ your communication skills.

A. practiced

B. practice

C. practicing

D. to practice

Câu 2: If there were flying saucers, there ______ traces of their landing.

A. would be

B. will be

C. are

D. is

Câu 3: He decided ____________ another language.

A. study

B. to study

C. studying

D. studied

Câu 4: He ____________ abroad before I met him in Sydney.

A. studied

B. study

C. will study

D. had studied

Câu 5: By the end of last summer, Alexander _______ his Ph.D.

A. received

B. had received

C. receive

D. are received

Câu 6: If I ______a bird, I would be a dove.

A. were

B. is

C. was

D. am