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

A. instituted

B. eradicated 

C. eliminated

D. required

Câu 1: The US troops are using much more sophisticated weapons in the Far East.

A. difficult to operate

B. expensive

C. complicated

D. straightforward

Câu 2: I am afraid I haven’t allowed him enough initiative, said Father Payne, that’s a bad habit of mine.

A. determination

B. encouragement

C. beginning

D. cowardice

Câu 3: The soliders will do anything to halt the enemies from entering.

A. stop

B. start

C. keep on

D. kill

Câu 4: At the managers' meeting, the group decided against the new project as a viable option and decided on another direction to ensure success for the company's fall line.

A. impractical

B. feasible

C. practical

D. positive

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

A. casually

B. flexibly

C. wrongly

D. informally