“She must be in the dormitory now.” “No,she () be there.I sa
“She must be in the dormitory now.” “No,she () be there.I saw her in the classroom a minute ag
“She must be in the dormitory now.” “No,she be there.I saw her in the classroom a minute age.
A.mustn’t B.couldn’t C.can’t D.wouldn’t
为什么 A不行啊