题目内容：

1、my sister is on a nice coat .
2、If you laugh at him,hewill shout to you.
3、do you know the answer for the question?
4、there are many apples in the tree.
5、he usually goes to school by foot

优质解答

1,on改成in a nice coat .
2,to改成shout at you
3,for改成to,the answer to the question4,
4,in改成on,on the tree
5,by foot改成on foot
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