Back in the 1960s and 1970s, the world was becoming more aware of the destructive effects of industry (23)__________the environment and people were starting to think seriously about ways of p

Back in the 1960s and 1970s, the world was becoming more aware of the destructive effects of industry (23)__________the environment and people were starting to think seriously about ways of protecting the environment.

A. for

B. to
C. with
D. on

Trả lời

Đáp án D

Câu hỏi cùng chủ đề

Xem tất cả