杭州紫金港培训学校(紫金港专升本)杭州紫金港培训学校(紫金港专升本)
高起专外语

Please hand in your homework Friday.

第 3 题单选题模拟题较易

Please hand in your homework ______ Friday.

介词搭配by 与 until
回到课节:第 8 节 介词与常用搭配
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