... PHỊNG GD & ĐT CÀNG LONG ĐỀ THI CHỌN HỌC SINH GIỎI CẤP HUYỆNTRƯỜNG THCS AN TRƯỜNG C Thời gian làm bài: 120 phút MƠN: ANH VĂN ĐỀ THAM KHẢO Trường THCS : Họ và Tên : Lớp :ĐIỂM ... to open the bag. Because the bag stands up, it is easy to put things in it. Paper is very common in our lives, and we don’t even think about it, but it is a wonderful invention. T F 7. She ... tie it with string. Other customers had to wait. Then they hired boys to make bags by hand, but this also took a long time. In 1884, a woman named Mattie Knight invented a machine that could...