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: She wrote me a vicious letter.

A. helpful

B. gently

C. dangerous

D. healthy

Câu 2: A chronic lack of sleep may make us irritable and reduces our motivation to work.

A. uncomfortable

B. responsive

C. calm

D. miserable

Câu 3: Her thoughtless comments made him very angry.

A. honest

B. kind

C. pleasant

D. thoughtful

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

A. obvious

B. indistinct

C. transparent

D. evident

Câu 5: My first impression of her was her impassive face.

A. emotional

B. respectful

C. solid

D. fractious

Câu 6: In some countries, the disease burden could be prevented through environmental improvements.

A. something to stiffer

B. something enjoyable

C. something sad

D. something to entertain