we/ should/ think/ positive/ how/ protect/ environment/.

A. We should think positively how to protecting our environment.

B. We should think positive how protecting our environment.

C. We should think positively how to protect our environment.

D. We should think positive how to protect our environment.

Đáp án
C. We should think positively how to protect our environment.

Câu hỏi thuộc Bài tập:

Bài tập Luyện thi vào lớp 10 - CHUYÊN ĐỀ 30: VIẾT LẠI CÂU VỚI CÁC TỪ CHO SẴN (Mã 130.1)