Câu hỏi: The couple tried to converse in the busy restaurant, but they couldn't hear themselves speak so they went elsewhere.

A. talk

B. stop talking

C. chat

D. communicate

Câu 1: Nutritionists believe that vitamins circumvent diseases.

A. defeat

B. nourish

C. help

D. treat

Câu 2: He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.

A. politeness

B. rudeness

C. measurement

D. encouragement

Câu 3: Synthetic products are made from chemicals or artificial substances.

A. natural

B. made by machine

C. man-made 

D. unusual

Câu 4: 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 5: Doctors have been criticized for their indiscriminate use of antibiotics.

A. disciplined

B. selective

C. wholesale

D. unconscious

Câu 6: The soliders will do anything to halt the enemies from entering.

A. stop

B. start

C. keep on

D. kill