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

A. clear

B. obvious

C. thin

D. insignificant

Câu 1: If any employee knowingly breaks the terms of this contract, he will be dismissed immediately.

A. coincidentally

B. deliberately

C. instinctively

D. accidentally

Câu 2: When did Nguyen Hue defeat Thanh enemies?

A. peoples

B. animals 

C. friends

D. kids

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

A. Bad

B. Weak

C. Slow

D. Ugly

Câu 4: There is growing concern about the way man has destroyed the environment.

A. ease

B. attraction

C. consideration

D. speculation

Câu 5: We cannot clean up our polluted rivers and seas overnight.

A. cleared

B. purified

C. honored

D. respected

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