1. (2016七下·泰州期中) 根据句意和汉语注释，写出单词的正确形式，每空限填一词。

1. （1） I live on the fifth floor, and my sister lives on the floor  (上面).

3. （2） We are going on a (宝藏) hunt this afternoon.

5. （3） Just go (径直) along the road, and you'll see the bookshop on your right.
   

7. （4） There is too much (来往车辆) in this street every morning.

9. （5） Spring comes, old (叶子) are falling down and the new ones are growing.