用所给单词的适当形式填空。

1. I won't leave until it ____ (not) rain.

2. He often hears the boy____ (play) the guitar,

3. If you drink some tea before going to bed,  you will be possibly____(wake) and can't

    easily get to sleep again.

4. I felt ____(tire) after a long time of study.

5. It's important ____(keep) healthy.

小红学习了滑轮之后，用一根绳和一个滑轮，借助木桩设计出图（甲）装置，将船拉上海滩，小明分析后，认为不太合理，请在图（乙）中画出你的方法（把绳和滑轮画出来，并标出木桩的位置）