Circle the letter A, B, C or D to indicate the word CLOSEST in meaning to the underlined word in the following question.

Câu hỏi

The air is naturally contaminated by foreign matter such as plant pollen and dust.

A. concentrated

B. occupied

C. filled

D. polluted

Đáp án
D. polluted

Câu hỏi thuộc Bài tập:

ĐỀ LUYỆN THI VÀO LỚP 10 - QUẢNG NINH (Đề 13)