用括号中所给单词的适当形式填空。
1. It is warm and _________(sun) today. Let's go out to play soccer.
2. The dog is ________(lie) on the floor.
3. In winter, people often wear _______(scarf).
4. It often _______(rain) in summer in my hometown(家乡).
5. Look! There are lots of people _______(play) beach volleyball there.
