Story前加a; interested改为interesting; come改为came; on改为in 或者 yard改为ground; ball改为balls; say改为saying; has去掉; up改为down ; my改为his ; but改为and
略
Story前加a; interested改为interesting; come改为came; on改为in 或者 yard改为ground; ball改为balls; say改为saying; has去掉; up改为down ; my改为his ; but改为and
略