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

A. unplanned

B. deliberate

C. accidental

D. unintentional

Câu 2: When did Nguyen Hue defeat Thanh enemies?

A. peoples

B. animals 

C. friends

D. kids

Câu 3: This national park is special because it has plants and animals from both tropical and temperate zones.

A. warm

B. pole

C. cool

D. wet

Câu 4: If any employee knowingly breaks the terms of this contract, he will be dismissed immediately.

A. coincidentally

B. deliberately

C. instinctively

D. accidentally

Câu 5: He revealed his intentions of leaving the company to the manager during the office dinner party.

A. disclosed

B. concealed

C. misled

D. influenced

Câu 6: In remote communities, it's important to replenish stocks before the winter sets in.

A. remake

B. empty

C. refill

D. repeat