问题
选择题
---Look at the glasses on the desk. Are they David’s?
---They belong to him. I saw him go out with glasses just now.
A.might
B.could
C.mustn’t
D.can’t
答案
答案:D
题目分析:句意:--看桌子上的眼镜。他们是大卫的吗?--他们不属于大卫的。刚才,我看见他戴着眼镜出去了。结合句意体现为不可能之意,而mustn’t 表示禁止,因此用can’t.故选 D