根据所给提示，完成句子。每空一词，含缩略词。
1. Linda plays the drum on Sunday. (用now替换画线部分)
Linda ______ ______ the drum now.
2. There are many interesting books in that bookstore. (改为单数句)
There ______ ______ interesting book in that bookstore.
3. It's windy and cloudy today. (对画线部分提问)
______ ______.the weather today?
4. What does your cousin's do?(改为同义句)
______ your cousin's ______?
5. All the people are having a great time. (改为同义句)
______ is having ______.
