3．interested后加in. 对……感兴趣“应说be interested in

2．month→months

1．the 去掉，finish school表示“毕业”

15.

9．all→both. 指我和我的一位朋友，共两人

8．as→like

7．with→about, talk about　谈论，讨论

6．went 后加for. go for a walk 意思是“散步”

5．outside后的of 去掉，outside本身是个介词

4．home→house