area/ has become/ my/ great/ in/ pollution/...

Câu hỏi: area/ has become/ my/ great/ in/ pollution/ Water/ problem/ a.

A. Water in my area pollution has become a great problem.

B. Water problem has become a great pollution in my area.

C. Water pollution in my area has become a great problem.

 

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Bài tập Tiếng Anh lớp 6 Unit 11 có đáp án !!