Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following sentences.

Câu hỏi

Many chemicals have a damaging effects on the environment.

A. harmful

B. injurious

C. difficult

D. harmless

Đáp án
D. harmless

Câu hỏi thuộc Bài tập:

UNIT 10: THE ECOSYSTEM - VOCABULARY - Tiếng Anh 11 Global Success