选择合适的选项补全对话。

A. How are you going?    

    B. Where is the bookstore?  

    C. Are you going at 9: 30 in the morning?    

    D. What are you going to buy in the bookstore?

    E. When are you going?    

    F. Where are you going tomorrow?   

    G. How do you go there?

Sarah: Hello, Mike! Tomorrow is Saturday.

  Mike: I am going to Guangzhou Bookstore.

Sarah:  Good idea!

  Mike: I'm going at 9: 30 in the morning.

Sarah:  

    Mike ：I am going to buy an English—Chinese Dictionary.

Sarah:

  Mike: I am going by bus. It's two yuan. It's Cheap.

Sarah:

  Mike: The bookstore is in front of the cinema.