Viết lại câu cho nghĩa ko đổi
1.I am going to wirte a letter to a friend
2.Why don't you ask her yourself?
3.The train couldn't run because of the snow
4.He learned English when he was eighteen
5.They made him hang over he money 
6.The poor farmer was tired but he kept working
7.i's an interisting book with pictures
8.The child will die if nobody sends for a doctor
9.He has never eaten it before
10.This bag is too heavy for me to carry