句型转换。

1. We are going to the downtown by bus. (对划线部分提问)

      _______  _______  you _______ to the downtown?

2. They are going to hold an exhibition.(对划线部分提问)

     _______ are they going _______  _______ ?

3. He is going to the supermarket at 19:00. His friends are going to the supermarket  at 19:00.

    (合并成一句)

    He and his friends are going to the supermarket at _______ _______  _______.

4. He wrote an article to the newspaper. (用next month 改写)

    He is _______  _______  _______ an article to the newspaper next month.

5. She is going to be an artist. (用an engineer改为选择疑问句)

     Is she going _______ _______ an artist _______ an engineer?