1. 选词填空。

middle, clear, railway, from, past

1. （1） The sky is．Let's take a walk．
3. （2） There are twostations in our city．
5. （3） I usually walka hospital on my way to school．
7. （4） Theof the picture is a special animal．
9. （5） here，we'll walk along the street to a big market．