在下列各句的每个空格内填上一个适当的完整的单词，该词的首字母已给。

1. Spring is coming. Many students are s             during the afternoon classes.

2. I hope you can p_______ me with some useful information.

3. Birds are flying t              the south in spring.

4. The microwave is used for h             food in my home.

5. The Greens go out of their way to make Wang Kung f             at home.