1. 根据句意及首字母或汉语提示填写单词。

1. （1） My grandpa likes walking a the river.

3. （2） Go along this street and the bank is on your (右边).

5. （3） The post office is on the (左边) of the hotel.

7. （4） Can I (转向) right at the second crossing?

9. （5） Please turn left at the first (十字路口).