1. We went to the library yesterday. (改为否定句)    
    We______  ______ to the library  yesterday,
2. I'd like three hamburgers. (对画线部分提问)    
     ______ ______ hamburgers would you like?
3. David is tall and thin. (对画线部分提问)  
    What does David ______ ______?
4. It's time to have breakfast. (改为同义句)    
    It's time ______  ______.
5. The man has long hair. Do you know him?(合并成一句)    
    Do you know the man ______  ______  hair?

1. What's up? (同义句转换)
    What's ________ ________ you?
2. What's the time? (同义句转换) 
    ________ _________is it?
3. That's Miss Li's ring. (就划线部分提问) 
    ________ ________ is that?
4. I'd like to work in a hospital. (变一般疑问句) 
    ________ _________ _________ _________  work in a hospital?
5. It's time to have breakfast. (同义句转换)
    It's time _________ ________.

1. It is a box. (改为复数形式)
    They _____ _____.
2. It's time to have lunch, Jenny. (改为同义句)
    It's time _____ ______ Jenny.
3. Li Ming does some housework at home. (改为否定句)
    Li Ming do housework at home.
4. My father walks to work.(改为同义句)
    My father goes to work _______ _______.
5. This orange is orange. (改为同义句)
    This is _______ orange _______.