1. They walked to the Summer Palace yesterday. (同义句)
    They             to the Summer Palace                          yesterday.
2. I think he will come back soon. (否定句)
    I                         he             come back soon.
3. The classroom is opposite the library. (划线提问)
                 is the classroom?
4. I have three kilos of ham. (划线提问)
                                         of ham do you have?
5. I went to the fashion show last Friday. (划线提问)
                            you go to the fashion show?