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

Câu hỏi

Factories produce a lot of smoke, so the air in this area is polluted.

A. pure

B. dirty

C. clean

D. dry

Đáp án
B. dirty

Câu hỏi thuộc Bài tập:

G6- GS- Unit 9- Practice 6