问题描述：
下列句子中均有一处错误,请找出并在后面的横线上改正.要答案还有哪里错了?
1.Cathy can't go to school alone,because her is too young.__________
2.Can you pass the salt to I can't reach it.__________
3.Ben made a cake by him yesterday.__________
4.when you finish reading the books.please put they back on the shelf.__________
5.kids,help yourself to the sweets!__________
1.Cathy can't go to school alone,because her is too young.__________
2.Can you pass the salt to I can't reach it.__________
3.Ben made a cake by him yesterday.__________
4.when you finish reading the books.please put they back on the shelf.__________
5.kids,help yourself to the sweets!__________
问题解答：
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