题目内容
16．We would have called a taxi yesterday if Harold __________us a ride home．（ ）| A． | didn't offer | B． | wouldn't offer | C． | hasn't offered | D． | hadn't offered |
分析 句意为：昨天要不是Harold载我们回家，我们可能就叫出租车了．
解答 答案：D 主句中的谓语"would have called a taxi"表示本句所表达的内容与过去事实相反，从句中应该用过去完成时．所以本题选择D．
点评 考查此类题型，需要理解表示于过去事实相反的假设中的句型结构．句型：条件从句：过去完成时；主句：should（would）have+过去分词
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Beans is a white dog，quite handsome and very（38）smart．He not only understands what we tell him，but also often makes sounds as if he were trying to （39）speak back．
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Since our adventure，I （47）concluded that Beans probably knew all along how to get home．He was just having too much fan exploring new trails．
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