一个英语转换句子,

问题描述:

一个英语转换句子,
例子:Hurry up,You can catch the early bus.
改为了:Hurry up so that you can catch the early bus.
You should return the book to Mary on time,If you don't do that,she will be angry.
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You should bring some food with you,If you don't do that,you will be hungry.
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就这两个题,急,急,

you should return the book to Mary on time so that she won't be angry.
you should return the book to Mary on time ,or ,she will be angry.
you should bring some food with you so that you won't be hungry
you should bring some food with you ,or ,you will be angry.