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

Câu hỏi

The ____________ friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism

Đáp án
C. environmentally

Câu hỏi thuộc Bài tập:

E11- Unit 3- Practice 3