our / Burning / polluting / is / coal / environment.

A. Burning coal is polluting our environment.

B. Burning our coal is polluting environment.

C. Burning coal polluting our is environment.

D. Polluting burning coal is our environment.

Đáp án
A. Burning coal is polluting our environment.

Câu hỏi thuộc Bài tập:

E7- GS- Unit 10- Practice (4)