A. By train. B. I’m going to take a trip. C. Yes, we are. D. I’m going at 3 o'clock. E. I’m going to Beijing.
1.What are you going to do? ( ) 2.When are you going? ( ) 3.Where are you going? ( ) 4.How do you go to the zoo? ( ) 5.Are you going to the library? ( )