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

A. overpopulation

B. decrease

C. increase

D. growth

Câu 1: Some______ animals become tame if they get used to people.

A. wild

B. domestic

C. endangered

D. rare

Câu 2: You need to_______ the numbers properly in a column.

A. align

B. check

C. draw

D. write

Câu 3: I’m trying to_______ the amount of sugar I eat.

A. cut down on

B. bear out

C. bring in

D. team up with

Câu 4: Installing is firewall is one method of trying to protect against_______.

A. hackers

B. thiefs

C. robbers

D. crooks

Câu 5: The society was set up to______ endangered species from extinction.

A. prevent

B. distinguish

C. preserve

D. survive

Câu 6: She finally achieved her_______ of visiting the USA.

A. target

B. objective

C. desires

D. ambition