giúp mình vs  tìm lỗi sai và sửa 1. We have already worked up a new way of doing it. 
1. I can’t keep up to all the changes in technology nowadays.
2. Have you ever considered getting rid your bad habits? 
3. The teacher asked us to see through the textbook before she continued.
4. Mary and Peter broke them up after two months dating. 
5. You should clear your room up before mom comes back. 
6. I was happy that I ran my old teacher into yesterday. 

                            7. Mary is always showing her jewelry off.
    
8. Both of us agreed with Jane's opinion about our plan. 
9. Last year a research on the consequences of water pollution was carried on.