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

A. insignificant

B. clear

C. obvious

D. thin

Câu 1: We'd better speed up if we want to get there in time.

A. slow down

B. turn down

C. put down

D. lie down

Câu 2: Strongly advocating health foods, Jane doesn’t eat any chocolate.

A. supporting

B. impugning

C. advising

D. denying

Câu 3: A chronic lack of sleep may make us irritable and reduces our motivation to work.

A. uncomfortable

B. responsive

C. calm

D. miserable

Câu 4: It was apparent from her face that she was really upset.

A. obvious

B. indistinct

C. transparent

D. evident

Câu 5: She wrote me a vicious letter.

A. helpful

B. gently

C. dangerous

D. healthy

Câu 6: In some Asian coutries, it is customary for people to worship their ancestors.

A. fossils

B. elders

C. heirs

D. forefathers