We could not have fulfilled the task in time if it _______ for their help.A、was

游客2024-07-11  8

问题 We could not have fulfilled the task in time if it _______ for their help.

选项 A、was not
B、is not
C、had not been
D、has not been

答案 C

解析 该题考查的还是虚拟语气的用法,表示与过去事实相反的假设,句式结构为:If+主语+ had+过去分词,主语+should/would/could/might+have十过去分词。例如:If I hand’t run out of ink,I might have finished writing the paper。(要是还有墨水的话,我就能写完那篇论文了。)
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