填空题

When one knows that he or she has to stay up late in the evening, he or she should sleep extra hours ahead of it.

【参考答案】

N

<上一题目录下一题>

热门试题

填空题

Some people can make sure these dreams have ______ by controlling some of their dreams.

填空题

Relaxed throat muscles block the airway of a sleeping person and leads to his her snoring.