Câu hỏi: Little have people done to alleviate the sea pollution caused by the factories in central Vietnam, haven’t they?

A. have people done

B. caused

C. in central

D. haven’t they

Câu 1: John announced that he could not longer tolerate the conditions of the contract under which he was working.

A. announced that

B. not longer tolerate

C. of

D. under which

Câu 2: 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

Câu 3: Many languages used around the world they do not have a form of writing.

A. used

B. around

C. they

D. a form of writing

Câu 4: Building thousands of years ago, the ancient palace is popular with modern tourists.

A. building

B. ago

C. the ancient 

D. popular with

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: Generally, Europe and Asia are regarded as being distinct continents, but they are simply vast geography divisions of the larger lad mass known as Eurasia.

A. Generally

B. are regarded

C. vast geography

D. known as