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

A. considerably

B. thoroughly

C. altogether

D. specificially

Câu 1: Scientists warn of the impending extinction of many species of plants and animals.

A. irrefutable

B. imminent

C. formidable

D. absolute

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: In Benjamin Franklin's almanac, he warns against making hasty decisions.

A. expensive

B. unhealthy

C. firm

D. quick

Câu 5: Hypertension is one of the most widespread and potential dangerous diseases.

A. colossal

B. popular

C. common

D. scattered

Câu 6: If petrol price go up any more, I shall have to use a bicycle.

A. develope

B. ascend

C. raise

D. increase