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

A. difficult to operate

B. expensive

C. complicated

D. straightforward

Câu 1: Synthetic products are made from chemicals or artificial substances.

A. natural

B. made by machine

C. man-made 

D. unusual

Câu 2: He is over the moon about his good marks.

A. satisfied

B. very happy

C. stressed

D. disappointed

Câu 3: They need to empty stocks.

A. remake

B. replenish

C. refill

D. repeat

Câu 4: No one knew precisely what would happen to a human being in space

A. casually

B. flexibly

C. wrongly

D. informally

Câu 5: Nutritionists believe that vitamins circumvent diseases.

A. defeat

B. nourish

C. help

D. treat

Câu 6: Affluent families find it easier to support their children financially.

A. Wealthy

B. Well-off 

C. Privileged

D. Impoverished