Choose the word(s) OPPOSITE in meaning to the underlined words in each of the following questions.

Câu hỏi

Polluted water is harmful to people’s health and kills fish.

A. useful

B. unsafe

C. bad

D. dangerous

Đáp án
A. useful

Câu hỏi thuộc Bài tập:

E6- GS- Unit 11- Practice 4