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【题目】How happy we are! The holiday we have been looking forward ________at last.
A.to has come
B.to have come
C.to having come
D.has come

【答案】A
【解析】考查词组和时态:句意:我们多么高兴啊!我们盼望的假日终于到了。Look forward to“盼望”to不能少,we have been looking forward to是定语从句修饰the holiday,这句话还缺少谓语,用现在完成时。选A。

【点评 】这道题是易错题,考生容易错选成C,以为是look forward to doing这个词组,其实这句话的look forward to 的宾语是the holiday,考生要根据句子成分判断,也要结合上下文句意判断。

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