1. 用方框中所给的单词填空。

what   where   when   how   who

1. （1） A: happened to you yesterday, Tom?

   B:I fell off my bike.

3. （2） A: did you go to Harbin with?
   

   B:I went there with Sam.

5. （3） A: did they go last Sunday?

   B:They went to Mt Tianshan.

7. （4） A: did you go camping, Sarah?

   B:Last Saturday.

9. （5） A: is John going to Guilin on his holiday?

   B:He's going there by plane.