VIết lại câu
1. You remembered, it didn't you.
-> You didn't................................
2. After fighting the fire for twelve hours, the firemen succeed in putting it out.
-> The firemen.........................
Tìm lỗi sai và sửa
1. When Mary arrived at the station, yesterday the train left.
2. Since the work began, nations have difficulty in keeping pace with their neighbors.
d -> well
BCNN(72;48)= 144
9 chữ số o tận cùng nhé