高三语法题:The special medicine for the disease was dif

发布时间:2021-02-24 07:02:27

高三语法题:The special medicine for the disease was difficult to find though

网友回答

主句用了过去时,从句如果想用完成时,也只能用过去完成时,而且这里从意思上看也只能用过去时.
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