Câu hỏi: It is the recommendation of many psychologists that a learner ought to use mental images to associate word and remember them.

A. recommendation

B. ought to use

C. to associate word

D. remember them

Câu 1: 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 2: The bus was plenty of people who had spent many a happy hour shopping at the new.

A. plenty of

B. who

C. many a happy hour

D. shopping

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: 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 5: Unlike the old one, this new copier can perform their functions in half the time.

A. unlike

B. can perform

C. their functions

D. in half the time

Câu 6: 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