(9) you must look after your things.（不变原意改写句子）
问题描述：
(9) you must look after your things.（不变原意改写句子）
答
You must take care of your things.
You have to look after your things.
这里可以有两处地方修改 must＝have to
look after ＝ take care of
答
You have to look after your things.
答
You must take care of your things.