4.
把下列单词按画线部分的读音归类。
listen
ed ask
ed watch
ed clean
ed want
ed
wash
ed visit
ed help
ed jump
ed learn
ed1.
![](https://www.ebk.net.cn/tikuimages/3/2012/150/shoutiniao89/4d323acb5d6c04b1a30e81adcebcd082.gif)
: ___________________________________________
2.
![](https://www.ebk.net.cn/tikuimages/3/2012/150/shoutiniao53/fc9ab5c48cb2fff203ceea018c8bdf0a.gif)
: ___________________________________________
3.
![](https://www.ebk.net.cn/tikuimages/3/2012/150/shoutiniao60/818b39eac186d6d5c6e869f4718e9715.gif)
: ___________________________________________