Câu hỏi: For thousands of years, man has created sweet-smelling substances from wood, herbs and flowers and using them for perfumes or medicine.

A. man

B. sweet-smelling

C. using them

D. or

Câu 1: I enjoy reading the article that you told me about it yesterday.

A. reading

B. that

C. told

D. it

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

A. of

B. said

C. have built

D. a

Câu 4: Little he knows about the surprise that awaited him.

A. he knows

B. about

C. the

D. awaited

Câu 5: 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 6: Although caffeine is a moderately habit-forming drug, coffee is not regarded as harmfully to the average healthy adult.

A. moderately

B. habit-forming

C. harmfully

D. healthy