题目内容
－Hi, is that Peter Brown?
－Sorry．You ________ the wrong number．
[ ]
A．must dial
B．must have dialed
C．should dial
D．should have dialed
答案：B
提示：
提示：
|
句意为：“一定是拨错号码了。”对过去的肯定推测用“must have done”． |
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