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 is growing concern about the way man has destroyed the environment.

A. ease

B. attraction

C. consideration

D. speculation

Câu 2: Unless you get your information from a credible website, you should doubt the veracity of the facts until you have confirmed them else where.

A. inexactness

B. falsehoodness

C. unaccuracy

D. unfairness

Câu 3: Most of the guests at the dinner party chose to dress elegantly, but one man wore jeans and a T-shirt, he was later identified as a high school teacher.

A. unsophisticatedly

B. decently

C. gaudily

D. gracefully

Câu 4: I clearly remember talking to him in a chance meeting last summer.

A. unplanned

B. deliberate

C. accidental

D. unintentional

Câu 5: When did Nguyen Hue defeat Thanh enemies?

A. peoples

B. animals 

C. friends

D. kids

Câu 6: Adverse weather conditions made it difficult to play the game.

A. favorable

B. bad

C. comfortable

D. severe