自我介绍
2017-07-18 1评论
20170517204502
2017-05-17 0评论
4.Everyday greeting
2017-05-10 6评论
3.Being polite
2017-05-09 8评论
Saying sorry and the appropriate way to respond
2017-05-08 0评论
20170506143807
2017-05-06 2评论
1.Expressing and responding to thabks
2017-05-03 7评论
house work (sandy)
2017-02-23 1评论
booking a tickets
2017-02-22 2评论
free talk
2017-02-22 0评论