Câu hỏi: We are very grateful to Professor Humble for his generosity in donating this wonderful painting to the museum.

A. meanness

B. sympathy

C. gratitude

D. churlishness

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

A. without limit

B. boundless

C. limited

D. indefinite

Câu 2: He is over the moon about his examination result.

A. stressed

B. very sad

C. very happy

D. satisfied

Câu 3: She is a very generous old woman. She has given most of her wealth to a charity organization.

A. mean

B. amicable

C. kind

D. hospitable

Câu 4: The only means of access to the station is through a dark subway.

A. arrival

B. admission

C. outlet

D. output

Câu 5: A chronic lack of sleep may make us irritable and reduces our motivation to work.

A. uncomfortable

B. responsive

C. calm

D. miserable

Câu 6: His replies were inconsistent with his previous testimony.

A. contradicted

B. compatible

C. enhanced

D. incorporated