Tìm và sửa lỗi sai

Giúp mình tìm và sửa lỗi sai với
1. The old chair making in china is very valuable.It's worth buying
2. Mexico city is one of the biggest cities in the world. It has population of 21,3 million
3. What did you do at 6 p.m yesterday? I phoned you but nobody answered
4. Although he worked harly, he didn't succeed in his exam
5. My new job is quite different with the one i used to do
6. The bag is not big enough to holding all of the groceries
7. He has less days off than his wife
8. My father bought her a dictionary so that she can look for new words.
9. The shrine of a vietnamese hero where they are going to visit isn't far from here
10. The doctor advised Max stay in bed for a week
11. How about going out and have some drink with me at the cafe?
12. TV helps people get the latest information and enjoys interesting programs in an inexpensive