Câu hỏi: No one knew precisely what would happen to a human being in space

A. casually

B. flexibly

C. wrongly

D. informally

Câu 1: Paid employment has doubtedly brought economic and social gains to many women.

A. independently

B. hardly

C. freely

D. certainly

Câu 2: Fruit and vegetables grew in abundance on the island. The islanders even exported the surplus.

A. large quantity

B. rareness

C. excess

D. sufficiency

Câu 3: Slavery was abolished in the US in the 19th century.

A. instituted

B. eradicated 

C. eliminated

D. required

Câu 4: Names of people in the book were changed to preserve anonymity.

A. reveal

B. conserve

C. cover

D. presume

Câu 5: 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 6: Doctors have been criticized for their indiscriminate use of antibiotics.

A. disciplined

B. selective

C. wholesale

D. unconscious