1. May I smoke here? (否定回答)
    No,                        .
2. Look! There is some milk in the glass. (改为否定句)
    Look! There                        milk in the glass.
3. This bag is made of leather. (提问) 
                this bag                         ?
4. How do you like the film? (同义句) 
                do you                          the film?
5. It's not polite of you to come in. You don't knock on the door. (合并为一句)
    It's not polite of you to come in                          on the door.
6. My mother watches two hours of TV every night. (提问) 
                                          does your mother watch every night?
7. How beautiful the flowers are! (同义句) 
                                           they are!
8. Daniel runs on the playground every morning. (用now改写)
    Daniel                          on the playground now.