	Nguyễn Thị Nhài \| Chat Online
	12/09 16:14:23
	Tiếng Anh - Lớp 9 \| Tiếng Anh \| Lớp 9

Countries around (1) ………………. world have begun to deal with (2) ………………… problem in various ways.

Countries around (1) ………………. world have begun to deal with (2) ………………… problem in various ways.