问题
选择题
—Will you stay for some more days?
—Sorry, I_____. My mother called to ask me to go back at once.
A.mustn’t
B.may not
C.can’t
D.wouldn’t
答案
答案:C
情态动词表推测。句意:-你再呆几天好吗?-对不起,我不能,我的母亲打电话让我马上回去。Mustn’t禁止;may not可能不;wouldn’t不愿做……,将要不……。故选C。