Câu hỏi: Little he knows about the surprise that awaited him.

A. he knows

B. about

C. the

D. awaited

Câu 1: There are many different ways of comparing the culture of one nation with those of another.

A. There are

B. of comparing

C. those

D. another

Câu 2: An ambitious person is committed to improve his or her status at work.

A. is

B. improve

C. status

D. at

Câu 3: She only had a twenty-dollars bill with her when she landed at Healthrow airport.

A. had

B. twenty-dollars bill

C. when

D. at

Câu 4: I clearly remember to tell you about this before.

A. clearly

B. remember

C. to tell 

D. about

Câu 5: By measuring the color of a star, astronomers can tell how hot is it.

A. measuring

B. the

C. how

D. is it

Câu 6: The Great Pyramid of Giza is said to have built over a 20-year period.

A. of

B. said

C. have built

D. a