Unit 2 What's your number? [00:02.30]单元二 你的号码是什么？ [00:04.60]Lesson 7 [00:06.22]第七课 [00:07.84]1.Just speak [00:09.67]1.请讲话 [00:11.49]Hi,Kate.This is my new friend,Sue. [00:13.78]喂，凯特。这是我的新朋友，苏...
