句型转换，每空一词。
1. They had an English party last Sunday. (改为否定句)
They _____ ____ an English party last Sunday.
2. The reporter asked the girl, “Do you like your volunteer work on weekends?” (改为间接引语)
The reporter asked the girl _____ she _____ her volunteer work on weekends.
3. The girl with a flower in her hand is my sister. (改为含定语从句的复合句)
The girl ____ ____ a flower in her hand is my sister.
4. Should I arrive on time or a little later if someone invites me to dinner? (改为同义句)
Am I ____ ____ arrive on time or a little later if someone invites me to dinner?
5. The students will learn the group dance on the school playground. (对画线部分提问)
______ _____ the students learn the group dance?