Lesson Three Dictation-4 ______ _______over _______VOR leaving ____ climbing to ______
查看答案
Lesson Three Dictation-5 ______ cleared to ______ ______departure to _____ ______ between ______ and ________
Lesson 4 听一遍，repeat what you have heard-1
Lesson 4 听一遍，repeat what you have heard-2
Lesson 4 听一遍，repeat what you have heard-3
微信支付 
支付宝支付