问题补充:
---May I speak to Mr. Smith?
---Sorry, he . Can I take a message?
A. sleeps
B. is sleeping
C. sleep
D. sleeping
答案:
A. sleeps
(答案→)B. is sleeping
C. sleep
D. sleeping
解析:句意:--我可以让斯密斯先生听电话吗?--对不起,他在睡觉,我可以捎个口信吗?根据May I speak to Mr. Smith可知这里指的是斯密斯先生正在睡觉。故选B。