Mr. Smith would have come to see you if it had been possible, but he __________ so busy.A.wasB.had

题目简介

Mr. Smith would have come to see you if it had been possible, but he __________ so busy.A.wasB.had

题目详情

Mr. Smith would have come to see you if it had been possible, but he __________ so busy.
A.wasB.had beenC.has beenD.were
题型:单选题难度:偏易来源:不详

答案

A

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