Câu hỏi: Toxic chemicals continue to be dumped in the North Sea.

A. stop

B. go on

C. follow

D. begin

Câu 1: The government is not prepared to tolerate this situation any longer.

A. look down on

B. put up with

C. take away from

D. give on to

Câu 2: I clearly remember talking to him in a chance meeting last summer.

A. unplanned

B. deliberate

C. accidental

D. unintentional

Câu 3: His career in the illicit drug trade ended with the police raid this morning.

A. elicited

B. irregular

C. secret

D. legal

Câu 4: Visitors, especially children, can go there to learn how to recognize the different species of animals and plants.

A. pure

B. same

C. alike

D. whole

Câu 5: There is growing concern about the way man has destroyed the environment.

A. ease

B. attraction

C. consideration

D. speculation

Câu 6: There has been no discernible improvement in the noise levels since lorries were banned.

A. clear

B. obvious

C. thin

D. insignificant