Circle A, B, C or D to indicate the correct answer to each of the following questions.

Câu hỏi

As people will care more ___________ the environment, most cities will use renewable and clean energy.

A. about

B. for

C. of

D. with

Đáp án
A. about

Câu hỏi thuộc Bài tập:

E11- Unit 3- Practice 3