Someone is knocking at the door.___ it be Venis?—No,it ___ be her; she lSomeone is knocking at the door.___ it be Venis?—No,it ___ be her; she left for New York this morning.A.Can; mustn’t B.Might; can’t C.May; doesn’t D.Can; can

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Someone is knocking at the door.___ it be Venis?—No,it ___ be her; she lSomeone is knocking at the door.___ it be Venis?—No,it ___ be her; she left for New York this morning.A.Can; mustn’t B.Might; can’t C.May; doesn’t D.Can; can

Someone is knocking at the door.___ it be Venis?—No,it ___ be her; she lSomeone is knocking at the door.___ it be Venis?—No,it ___ be her; she left for New York this morning.A.Can; mustn’t B.Might; can’t C.May; doesn’t D.Can; can
Someone is knocking at the door.___ it be Venis?—No,it ___ be her; she l
Someone is knocking at the door.___ it be Venis?
—No,it ___ be her; she left for New York this morning.
A.Can; mustn’t B.Might; can’t
C.May; doesn’t D.Can; can’t
为什么不选B 时态不对吗?如果改为may ;mustn't可以选吗?

Someone is knocking at the door.___ it be Venis?—No,it ___ be her; she lSomeone is knocking at the door.___ it be Venis?—No,it ___ be her; she left for New York this morning.A.Can; mustn’t B.Might; can’t C.May; doesn’t D.Can; can
正确答案是D吧
这是一道选择最佳答案的题目.can用在疑问句和否定句中,表示可能性的推测.can’t表示“不可能”
may,might表推测时,可以用于否定句,意思是“可能不、也许不”,但不用于疑问句.所以第一个空排除B、C .
must表推测只能用于肯定句.如果要表示“一定不、肯定不”的意思时,应用can`t.

应该选D.
本题考查情态动词表示推测的用法。
may常用于肯定句
can 常用于疑问句和否定句,表示“可能”,can't 表示“不可能”。
must 语气比较肯定,意思是“一定”
本题意思是:有人在敲门,可能是Venis吗?不,不可能是她。她今天早晨动身去了纽约。...

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应该选D.
本题考查情态动词表示推测的用法。
may常用于肯定句
can 常用于疑问句和否定句,表示“可能”,can't 表示“不可能”。
must 语气比较肯定,意思是“一定”
本题意思是:有人在敲门,可能是Venis吗?不,不可能是她。她今天早晨动身去了纽约。

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