We the manager , but no one the telephone number .A．could have called ; knewB．could have called ; had knownC．could call ; had knownD．could call ; knew 题目和参考答案——青夏教育精英家教网—

题目内容

We the manager , but no one the telephone number .

A．could have called ; knew	B．could have called ; had known
C．could call ; had known	D．could call ; knew

虚拟语气题。but为暗含的条件相当于if we had known the telephone number。我们本可以打电话给经理但是没人知道号码。选A

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