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

A. received

B. had received

C. receive

D. are received

Câu 1: If there were flying saucers, there ______ traces of their landing.

A. would be

B. will be

C. are

D. is

Câu 2: We would love _______ three cups of coffee.

A. have

B. to have

C. having

D. had

Câu 3: In this semester, we have to _____________ our major for future occupation.

A. choose

B. choosing

C. chosen

D. chose

Câu 4: Would you mind _______ more clearly, please?

A. speak

B. speaking

C. to speak

D. spoke

Câu 5: The ________ of the volcano was predicted in advance, so no one was injured.

A. eruption

B. erupted

C. erupts

D. erupt

Câu 6: He won't be happy if you ______ come!

A. don't

B. haven't

C. didn't

D. won't