根据句意,选用if或unless连接句子
问题描述：
根据句意,选用if或unless连接句子
1.Fish die.There's no water or air.
2.My baby sister never cries.She is hungry.
3.I run every morning.Bad weather stops me.
4.You are more careful.You'll make a mistake.
5.I'm free this Sunday.I will visit you.
答
1.Fish dies if there's no water or air.2.My baby sister never cries unless she is hungry.3.I run every morning unless bad weather stops me.4.You'll make a mistakk unless you are more careful.5.I will ...