1. She has already done his homework. (改为否定句)
    She ______ done his homework ______.
2. The king's hat made of red silk was on show in the museum. (改为反意疑问句)
    The king's hat made of red silk was on show in the museum,______ ______ ?
3. We must clean our classrooms every day. (改为被动语态)
    ____________________________________________________________________
4. I'm going to visit Xiamen and Quanzhou next week. (就画线部分提问)
    ______ ______ are you going to visit next week?
5. Does your uncle live in Beijing? Could you tell me …? (改为含宾语从句的复合句)
   Could you tell me ______ your uncle ______ in Beijing?
6. Thomas Edison used the money to build a lab in New Jersey. (改为同义句)
    Thomas Edison ______ up a lab in New Jersey ______ the money. 
7. John went out two hours ago. (改为同义句)
    John ______ ______ ______ for two hours.