音标 3 / ə: ə /
2015-11-23 0评论
音标 1 / i: i e æ /
2015-11-23 0评论
Lesson 143 (book 1)
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Lesson 141 (book 1)
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Lesson 2 (book 3) Thirteen equals one
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lesson 1 (book 3) A puma at large
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Lesson 14 Do You Speak English ?
2015-08-15 1评论
Lesson 2 Breakfast or Lunch ?
2015-07-28 1评论
Lesson 4 An Exciting Trip
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Lesson 76 April Fools' Day
2015-07-21 1评论