Câu hỏi: He is over the moon about his examination result.

A. stressed

B. very sad

C. very happy

D. satisfied

Câu 1: Solar energy is not only plentiful but also infinite.

A. without limit

B. boundless

C. limited

D. indefinite

Câu 2: His replies were inconsistent with his previous testimony.

A. contradicted

B. compatible

C. enhanced

D. incorporated

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

A. uncomfortable

B. responsive

C. calm

D. miserable

Câu 5: With her sophiscated tastes, the singer has become an omnipresent icon of style and beauty.

A. oblivious

B. controversial

C. ubiquitous

D. unknown

Câu 6: It was apparent from her face that she was really upset.

A. obvious

B. indistinct

C. transparent

D. evident