填空题

Unless he (tell) ______ us who he is, we won’ t let him in.

【参考答案】

tells
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填空题
They solved that problem (intelligence) ______.
单项选择题
A．Sun.B．Rain.C．Spaghetti.D．Wine.
A．Sun.
B．Rain.
C．Spaghetti.
D．Wine.
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