新概念3A-U3-We've had a long morning
2019-07-14 0评论
Conversation 25-Going to the Zoo
2019-06-10 0评论
Conversation 24-Going to the park
2019-05-27 0评论
Conversation 23-Reading
2019-05-27 0评论
Conversation22-Listen to the radio
2019-05-20 0评论
Conversation21-Watching TV
2019-05-20 0评论
Conversation 20-By Air Part2
2019-05-06 0评论
Conversation 19-By Air Part1
2019-04-29 0评论
Conversation 18-Customs declaration
2019-04-22 0评论
Conversation17-Changing the flight
2019-03-18 0评论