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had she not come) to our help when we were in trouble,we couldn't have finished our task on tim

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解决时间 2021-01-29 14:29
  • 提问者网友:不爱我么
  • 2021-01-29 08:18
had she not come) to our help when we were in trouble,we couldn't have finished our task on time.
括号里面是什么结构啊。if she didn'tcome怎么错了
最佳答案
  • 五星知识达人网友:舍身薄凉客
  • 2021-01-29 08:44
因为后一句是have finished our task,即过去完成时,所以前面只能用完成时。
如果后面是we couldn't finish our task的话,就可以用if she didn't come
全部回答
  • 1楼网友:末日狂欢
  • 2021-01-29 09:44
虽然我很聪明,但这么说真的难到我了
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