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: Doctors have been criticized for their indiscriminate use of antibiotics.

A. disciplined

B. selective

C. wholesale

D. unconscious

Câu 2: The US troops are using much more sophisticated weapons in the Far East.

A. difficult to operate

B. expensive

C. complicated

D. straightforward

Câu 3: Maureen usually felt depressed on Mondays, because she never got enough sleep on the weekends.

A. unhappy

B. affluent

C. glum

D. understanding

Câu 4: He was so insubordinate that he losst his job within a week.

A. fresh

B. disobedient

C. understanding

D. obedient

Câu 5: I can’t stand people who treat animals cruelly

A. cleverly

B. reasonably

C. gently

D. brutally

Câu 6: About 95% of all animals are invertebrates which can live anywhere, but most, like the dtarfish and crab, live in the ocean.

A. with backbones

B. with ribs

C. without ribs

D. without backbones