Câu hỏi: Installing is firewall is one method of trying to protect against_______.

A. hackers

B. thiefs

C. robbers

D. crooks

Câu 1: The problem of_______ in big cities, which stems from uncontrolled migration from rural areas.

A. overpopulation

B. decrease

C. increase

D. growth

Câu 2: Do you know the country which you has the hightest life_______ in the world?

A. expectancy

B. objective

C. desire

D. ambition

Câu 3: Teachers complain that more of their time is taken up with _______than with teaching.

A. protection

B. administration

C. architecture

D. article

Câu 4: We kept in _______for a while after college.

A. touch

B. pay

C. well

D. chose

Câu 5: This_______disease caused a lot of complications during the treatment procedure.

A. situation

B. difficult

C. life-threatening

D. weak

Câu 6: All the _______had excellent academic credentials.

A. candidates

B. goverments

C. followers

D. desigers