Chao cac ban tui xin thay mat cac thanh vien trong lop xin de nghi cac thanh vien post bai phai phu hop voi noi dung hoc tap cua lop
neu con tinh trang post bai ko phu hop thi tui xin thay mat cac thanh vien khac xoa cac thanh viet nao post bai ko phu hop hoc tap ra khoi dien dan
Xin cac ban thong cam vi day la dien dan hoc tap cua lop minh nha cac ban
Xin cam on nhung bai post phu hop voi noi dung hoc tap nha