tìm lỗi xai và sửa lỗi :
1,accidents are often caused by carelessness .
2,if dan didn't do his homework,he will be punnished .
3,one of the cars were painted grey .
4,nam is the tallest student in his class . 
5,they sugggested ban the sale of alcohol at football matches .
6,tom enjoys festivals in vietnam despite he doesn't understand vietnam cultural very much .
7,none of the pictures are the same . they are all very different with each other .
8,james should be tell the news as soon as possible .
9,it was late , so we dicided talking a taxi home .
10,the collect of stamps made him become famous in the country .