They redo what they failed to do.这里的what 能换成that吗?很多宾语从句或主语从句用what连接,我也感觉应该用what.但是,说不出原因,为什么用what而不用that.
来源：学生作业帮助网 编辑：作业帮 时间：2024/09/01 09:12:52
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They redo what they failed to do.这里的what 能换成that吗?很多宾语从句或主语从句用what连接,我也感觉应该用what.但是,说不出原因,为什么用what而不用that.
what they
what()they()they()there?what()they()they()there?[do]
what do they do they
They shall do what they
what do they
what do they do?
what are they
What do they
what do they
what did they
What are they?
What do they need?
What are they doing?
what are they doing?
what animals do they
they/have/what/do/(?)
what nice they are