I have listened some open courses online like music and others,

来源: AprilMei 于 2020-12-14 22:38:03 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (135 bytes)
本帖于 2020-12-14 22:39:20 时间, 由普通用户 AprilMei 编辑

but never had to work on it after classes were over. it's time to get hands on.  Thanks for providing it.

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