Câu hỏi: In the United States, a party can nominate a single candidate for office.

A. refuse

B. keep

C. change

D. appoint

Câu 1: The 1908 Siberian meteorite explosion brought about considerable depletion of the northern hemisphere's ozone layer.

A. was caused by

B. resulted in

C. brought back

D. was initiated by

Câu 2: He was fired because of his misconduct at the office party.

A. mistake

B. impropriety

C. condition

D. singing

Câu 3: Studies of climatology indicate that volcanic dust in the atmosphere may contribute to the onset of ice ages.

A. explain

B. insinuate

C. suggest

D. prove

Câu 4: The sales of drugs is controlled by law in most of countries.

A. permitted

B. restricted

C. illegal

D. binding

Câu 5: In most countries, compulsory military service does not apply to women.

A. superior

B. mandatory

C. beneficial

D. constructive

Câu 6: The new cow boy-film catches the fancy of the children.

A. attracts

B. statisfies

C. surprises

D. amuses