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[00:00.00]恒星英语学习网 Revision Exercises
[00:03.13](Unit 1--Unit 7)
[00:06.74]Ⅻ.Listening comprehension
[00:12.64]A.Listen and choose an appropriate response to what you have heard.
[01:54.34]B.Listen and choose an appropriate senence for what you're heard.