Câu hỏi: The US troops are using much more sophisticated weapons in the Far East.

A. expensive

B. complicated

C. simple and easy to use

D. difficult to operate

Câu 1: Toxic chemicals continue to be dumped in the North Sea.

A. stop

B. go on

C. follow

D. begin

Câu 2: Adverse weather conditions made it difficult to play the game.

A. favorable

B. bad

C. comfortable

D. severe

Câu 3: Rapid run-off would cause frequent floods and leave little water during fry seasons.

A. sometimes

B. unusual

C. irregular

D. little

Câu 4: We cannot clean up our polluted rivers and seas overnight.

A. cleared

B. purified

C. honored

D. respected

Câu 5: There has been no discernible improvement in the noise levels since lorries were banned.

A. clear

B. obvious

C. thin

D. insignificant

Câu 6: An interesting feature of this park is the Orphanage where lots of orphaned or abandoned animals are taken care of.

A. bad

B. ugly

C. weak

D. dull