1. He has a new pen. (改为一般疑问句
2. We are going to (see our teacher.) (对括号部分提问)
3. I (did my homework) yesterday.(对括号部分提问)
4. He can play basketball.(改为一般疑问句)
5.There is some milk in the bottle. (改为否定句)
6. She is (a doctor).(对括号部分提问)
7. It was (ten o'clock) then.(对括号部分提问)
8. Watch TV, please. (改为否定句)
9. There is a car.(改为过去时)
10. He often runs.( 用now改写句子)