看图回答问题。
1.	Is Sarah writing a report? ______________________________
2.	Is Wu Yifan picking up leaves? _______________________________
3.	Is Mike watching insects? _______________________________
4.	What are they doing? _______________________________
5.	What is he doing? _______________________________

1. No，she is playing the piano.
2. No，he is taking pictures.
3. No，he is flying a kite.
4. They are playing chess.
5. He is climbing the tree.
答案不唯一