Câu hỏi: In the twentieth century, drug markedly improved health throughout the world.

A. supposedly

B. noticeably

C. recently

D. consistently

Câu 1: An Alzheimer patient’s incomprehensible ramblings will frequently upset family members, who may take the statements personally.

A. rude

B. personal

C. loud

D. unintelligible

Câu 2: All classifications of human societies and cultures are arbitrary.

A. useful

B. haphazard

C. insufficient

D. ambiguous

Câu 3: Perhaps more than anything else, it was onerous taxes that led to 'the Peasants' Revolt in England in 1381.

A. multiple

B. unjust

C. burdensome

D. infamous

Câu 4: The repeated commercials on TV distract many viewers from watching their favorite programmes.

A. advertisements

B. contests

C. economics

D. businesses

Câu 5: Once in a while I visit my grandparents on the farm and stay there for some days.

A. Regularly

B. Sometimes

C. Usually

D. Rarely

Câu 6: He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.

A. politeness

B. rudeness

C. measurement

D. encouragement