Câu hỏi: Synthetic products are made from chemicals or artificial substances.

A. natural

B. made by machine

C. man-made 

D. unusual

Câu 1: 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 2: Slavery was abolished in the US in the 19th century.

A. instituted

B. eradicated 

C. eliminated

D. required

Câu 3: Names of people in the book were changed to preserve anonymity.

A. reveal

B. conserve

C. cover

D. presume

Câu 4: Adverse weather conditions made it difficult to play the game.

A. favorable

B. bad

C. comfortable

D. severe

Câu 5: 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 6: 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