来源：学生作业帮 编辑：搜狗做题网作业帮 分类：英语作业 时间：2024/04/28 14:49:20
这题答案是D,但我选了C,
31 Bob _____to New York before .He seems to know everything about the place
A can have been B should have been C might Have been D must have been
后一句表明"他知道关于这个地方的每一件事" 说明他一定已经去过了纽约
D选项表明对过去的肯定的推测
如果C可以选的话 A也可以了
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