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(单词翻译:双击或拖选)
[00:00.00] Unit 15
[00:03.50]1.Listen and choose the words you hear.
[00:36.26]2.Listen and choose the sentences you hear.
[01:13.40]3.Listen and write the missing words.\
[01:55.57]4.Listen and choose the correct answers.
[00:03.50]1.Listen and choose the words you hear.
[00:36.26]2.Listen and choose the sentences you hear.
[01:13.40]3.Listen and write the missing words.\
[01:55.57]4.Listen and choose the correct answers.