Câu hỏi: Rapid run-off would cause frequent floods and leave little water during fry seasons.

A. sometimes

B. unusual

C. irregular

D. little

Câu 1: There has been no discernible improvement in the noise levels since lorries were banned.

A. clear

B. obvious

C. thin

D. insignificant

Câu 2: When did Nguyen Hue defeat Thanh enemies?

A. peoples

B. animals 

C. friends

D. kids

Câu 3: She had a cozy little apartment in Boston.

A. uncomfortable

B. warm

C. lazy

D. dirty

Câu 4: The minister came under fire for his rash decision to close the factory.

A. was dismissed

B. was acclaimed

C. was criticized

D. was penalized

Câu 5: Due to an increase in population and the use of nearby land for farming, there are toxic levels of chemicals in the water.

A. fall

B. lowness

C. shortage

D. illness

Câu 6: The US troops are using much more sophisticated weapons in the Far East.

A. expensive

B. complicated

C. simple and easy to use

D. difficult to operate