孩子这周英语课学习的是介词,有:on,in,under,behind,in front of,up,down,out of,between,next to;where is it,where are they? 网校相关学习内容: http://c.xiaoyu123.com/forum.php?mod=viewthreadtid=1739highlight=%BD%E9%B4%CA 预备明早上幼儿园前玩一下。 http://c.xiaoyu123.com/thread-1713-1-4. ...