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第2次开课

开始:2019-12-23

截止:2020-02-14

课程已进行至

8/8周

成绩预发布时间 2020-02-13

教学团队

美国教育考试服务中心
讲师
助教

课程特色

视频(50)
讨论(8)
图文(47)
考试(27)
音频(13)

The system of the lesson can't be played well.

By wyt 2020-02-03 593次浏览 课时1

My computer can't be connected to the website well so that the video can't be played successfully. Does anybody have the same question?  

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