Câu hỏi: He made one last futile effort to convince her and left home.

A. favorable

B. difficult

C. ineffectual

D. firm

Câu 1: 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 2: The shoplifter immediately admitted to her crime to the security guard.

A. Agreed

B. Pleased

C. Denied

D. confessed

Câu 3: The collapse of the stock market in 1929 signaled the beginning of the Depression.

A. debt

B. rebirth

C. rise

D. failure

Câu 4: The ages of the two children put together was equivalent to that of their father.

A. different

B. corresponding

C. unequal

D. temporary

Câu 5: In the twentieth century, drug markedly improved health throughout the world.

A. supposedly

B. noticeably

C. recently

D. consistently

Câu 6: The Bali Tiger was declared extinct in 1937 due to hunting and habitat loss.

A. reserve

B. generation

C. natural environment

D. diversity