按括号内的要求改写句子。

l. They must finish their homework on Friday. (改为同义句)  

   They _____ _____finish their homework on Friday.

2. You can't take your computer game to school. (改为祈使句)    

    _____ _____ your computer game to school.

3. She has to write a letter to her pen pal. (改为一般疑问句)    

    _____ she _____ _____write a letter to her pen pal?

4. You can't run in the street. (改为祈使句)    

     _____ _____in the street.

5. Can we take photos in the museum? (作否定回答)

    _____, you _____.