You think a friend should stop working so hard.Advise him that he will be ill.
问题描述：
You think a friend should stop working so hard.Advise him that he will be ill.
改写成if开头的句子
例：You think a friend is driving too fast and may have an accident.Advise him to slow down.
答：If you don't slow down,you'll have an accident.
答
If you don't stop working,you'll be ill
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