您的位置: 首页 > 作业答案 > 英语 > ______so much pollution,it"s hard to clean the water of the river now选B为什么?______so much pollution,it"s hard to clean the water of the river nowA.SufferingB.Having sufferedC.SufferedD.TO suffer为什么呢?

so much pollution,it"s hard to clean the water of the river now选B为什么?so much pollution,it"s hard to clean the water of the river nowA.SufferingB.Having sufferedC.SufferedD.TO suffer为什么呢?

分类: 作业答案 • 2021-12-20 03:10:23

问题描述：

______so much pollution,it"s hard to clean the water of the river now选B为什么?
______so much pollution,it"s hard to clean the water of the river now
A.Suffering
B.Having suffered
C.Suffered
D.TO suffer
为什么呢?

答

很明显这是现在完成时,是否用现在完成时取决于句子的意思,根据后面,现在已经很难清理合理的水了,这是一个影响、后果,原因就是已经被污染了,现在完成时用在句子中一般都是强调对下一句产生影响的.

______so much pollution,it"s hard to clean the water of the river now选B为什么?______so much pollution,it"s hard to clean the water of the river nowA.SufferingB.Having sufferedC.SufferedD.TO suffer为什么呢?

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so much pollution,it"s hard to clean the water of the river now选B为什么?so much pollution,it"s hard to clean the water of the river nowA.SufferingB.Having sufferedC.SufferedD.TO suffer为什么呢?