根据短文内容,用方框中所给单词的适当形式填空,每词限用一次。
Wake, quick, again, sleep, why |
Dreams take up about one quarter of our ___1.___ time. People have several dreams each night. Dreams are like short films. They are usually in color. Some dreams are like old films. They come to us over and over ____2.___.
Sometimes we__3._____ up with a good feeling from a dream. But often we can’t remember the dream. Dreams can disappear(消失) ____4._____from memory(记忆)
Too much dreaming can be harmful(有害的). The more we sleep, the longer we dream. The mind is hard at work when we dream. That is ___5.____ we may have a long sleep and still wake up tired.