If you don’t have enough sleep you will feel in class.A. sleepB. sleepyC. sleepingD. asl

问题补充：

If you don’t have enough sleep, you will feel in class.

A. sleep

B. sleepy

C. sleeping

D. asleep

答案：

A. sleep

(答案→)B. sleepy

C. sleeping

D. asleep

解析：A. sleep 睡觉 B. sleepy困倦的C. sleeping睡觉 D. asleep熟睡的；句意：如果你没有足够的睡眠，你在课堂上就是感觉很困，故选B.