don't touch what we don't need.为什么用what啊!急用!Don't touch what we don't need.在这个句子中为什么用what不用that啊,what在句中作什么成分啊?

问题描述:

don't touch what we don't need.为什么用what啊!急用!
Don't touch what we don't need.在这个句子中为什么用what不用that啊,what在句中作什么成分啊?

what = the things that we don't need
bbqhqf说的也对,what 包含了“东西”这个意思

这里是定语从句...所以用what

这里的what是touch的逻辑宾语,所以不能换成that

what 是用来修饰东西的,that只有在几种特殊情况下才用