Judy ______ be home now.She ______ tennis with Tom.
问题描述：
Judy ______ be home now.She ______ tennis with Tom.
A.can’t; must be playing
B.mustn’t; may be playing
C.can’t; must have played
D.mustn’t; may have played 摆脱!
答
我认为选择A
Judy现在不可能在家.她正在跟Tom打网球.
mustn't是不允许.语意不通,排除BD
而不在家,就是正在做.要用进行时态,排除 C