they learn by experience what they may expect of their partners.这句话为什么用what引导是不用that?

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 02:34:05

they learn by experience what they may expect of their partners.这句话为什么用what引导是不用that?

这里what从句做learn宾语,从句中expect后面少了宾语,所以用what引导.
名词性从句少成分,常用what,定语从句少成分,常用关系代词,that,which之类
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