表语从句中引导词that和what有啥区别~
问题描述:
表语从句中引导词that和what有啥区别~
答
that是连词,不充当句子成分,what除了充当引导词还在从句中长当成分.
如it was what they had been working so hard to find.what作find的宾语
it is amazing that they have done this.此处that只做连词
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