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内容丰富,值得借鉴
liushanshan0407
2015-11-03 00:00:00
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In the beginning, the teacher was too nervous to make some small misatakes. I dont think the leading-in part is good enough.
wufangwinnie123
2015-10-21 00:00:00
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打不开
lyf227
2015-10-09 00:00:00
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教师很有激情,由浅入深,衔接紧密
demi748
2015-09-23 00:00:00