请用will, shall或be going to填空。

1. What _________________ you buy?

2. He _________________ go there by train tomorrow afternoon.

3. _________________ you _________________ play the piano this evening?

4. Mary _________________ be at home tomorrow morning.

5. Where _________________ you go the day after tomorrow?

6. _________________ I watch TV for a short time, please, Mum?

7. _________________ you take the bag to my brother, please?

8. _________________ we go to the park?  OK Let's go!

9. My father _________________ drive home from Beijing next Sunday.