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

A. uncomfortable

B. responsive

C. calm

D. miserable

Câu 1: Her father likes the head cabbage rare.

A. over-boiled

B. precious

C. scarce

D. scare

Câu 2: She wrote me a vicious letter.

A. helpful

B. gently

C. dangerous

D. healthy

Câu 3: The distinction between schooling and education implied by this remark is important.

A. explicit

B. implicit

C. obscure

D. odd

Câu 4: We are now a 24/7 society where shops and services must be available all hours.

A. an active society

B. an inactive society

C. a physical society

D. a working society

Câu 5: Strongly advocating health foods, Jane doesn’t eat any chocolate.

A. supporting

B. impugning

C. advising

D. denying

Câu 6: 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