Lesson 16 听音填空-2[音频]1. _______via the 2. _______on your left.
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Lesson 16 听音填空-3[音频]1. ________the 2. ________, let the aircraft pass from your right.
Lesson 16 听音填空-4[音频]1. _______and 2. ________at 3. _______
Lesson 16 听音填空-5[音频]1. __________ and 2. ______the runway by 3. _____
Lesson 16 听音填空-6[音频]1. ______, request 2. ______
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