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: Slavery was abolished in the US in the 19th century.

A. instituted

B. eradicated 

C. eliminated

D. required

Câu 2: The soliders will do anything to halt the enemies from entering.

A. stop

B. start

C. keep on

D. kill

Câu 3: Adverse weather conditions made it difficult to play the game.

A. favorable

B. bad

C. comfortable

D. severe

Câu 4: Her father likes the head cabbage rare.

A. scare

B. precious

C. scarce

D. over-boiled

Câu 5: Nutritionists believe that vitamins circumvent diseases.

A. defeat

B. nourish

C. help

D. treat

Câu 6: I take my hat off to all those people who worked hard to get the contract.

A. congratulate

B. unrespect

C. welcome

D. encourage