Câu hỏi: 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 1: I told you clearly and definitely not to write your answers in pencil, Smith!

A. considerably

B. thoroughly

C. altogether

D. specificially

Câu 2: In most countries, compulsory military service does not apply to women.

A. superior

B. mandatory

C. beneficial

D. constructive

Câu 3: Helen Keller, blind and deaf from an early age, developed her sense of smell so finely that she could identify friends by their personal odors.

A. classify

B. recognize

C. describe

D. communicate with

Câu 4: If petrol price go up any more, I shall have to use a bicycle.

A. develope

B. ascend

C. raise

D. increase

Câu 5: In the United States, a party can nominate a single candidate for office.

A. refuse

B. keep

C. change

D. appoint

Câu 6: Victoria Holtand William Shakespeare are prolific writers.

A. productive

B. famous

C. esteemed

D. celebrated