根据句意和首字母提示写单词
1.---Have you seen Li Lei?
---Yes,I have.He is p____ in the library.
2.It often s____ in winter in the north of China.
3.There are many c____ in the sky.It's going to rain.
4.The ground is very w____.It must have rained last night.
5.It is -28℃.It's f____.