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My wallet is nowhere to be found. I ______when I was on the bus.A、must drop itB
My wallet is nowhere to be found. I ______when I was on the bus.A、must drop itB
游客
2024-01-16
60
管理
问题
My wallet is nowhere to be found. I ______when I was on the bus.
选项
A、must drop it
B、should have dropped it
C、must have dropped it
D、had dropped it
答案
C
解析
考查情态动词和时态。句意:我的钱包找不着了,我推断我一定是把钱包落在公交车上了。must have done表示一定已经做了,故选C。
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