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

A. would be

B. will be

C. are

D. is

Câu 1: My uncle _______ a visit to Germany in 2005.

A. paid

B. pays

C. has paid

D. will pay

Câu 2: That girl tried to avoid _______ some of my questions.

A. answer

B. to answer

C. answering

D. answered

Câu 3: By the end of last summer, Alexander _______ his Ph.D.

A. received

B. had received

C. receive

D. are received

Câu 4: Earl was one of the first American artists ___________ landscapes.

A. painting

B. painted

C. for painting

D. to paint

Câu 5: 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 6: We would love _______ three cups of coffee.

A. have

B. to have

C. having

D. had