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

A. would be

B. will be

C. are

D. is

Câu 1: He ____________ abroad before I met him in Sydney.

A. studied

B. study

C. will study

D. had studied

Câu 2: Would you mind _______ more clearly, please?

A. speak

B. speaking

C. to speak

D. spoke

Câu 3: The public suggested that the factories ………. with waste treatment system.

A. would equip

B. would be equipped

C. should equip

D. should be equipped

Câu 4: The ________ of the volcano was predicted in advance, so no one was injured.

A. eruption

B. erupted

C. erupts

D. erupt

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

A. answer

B. to answer

C. answering

D. answered

Câu 6: Two months ago my brother _______ elected headmaster of his school and he _______ a vacation since then.

A. was-hadn’t had

B. was-hasn’t had

C. had been-didn’t have

D. had been-wouldn’t have