—Hi, is that Peter Brown? —Sorry. You ______ the wrong number.A、must dialB、must

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问题 —Hi, is that Peter Brown? —Sorry. You ______ the wrong number.

选项 A、must dial
B、must have dialed
C、should dial
D、should have dialed

答案 B

解析 must have done表示对所发生事情的肯定猜测，“你刚才一定是拨错号码了”。

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