互动吧投票:高中英语问题 请告诉我原因 36.6
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高中英语问题 请告诉我原因
his mistake was that he___(mix) the two phrases up.
用正确的时态填空
his mistake was that he___(mix) the two phrases up.
用正确的时态填空
mixed
此句为主语从句,主句的谓语动词was是过去式,所以从句的谓语动词也要用过去式
mixed