【简答题】Lesson two listen and fill in the blanks with missing callsigns, letters and numbers-1 1. PIL: ______ Control ______ stand ______ request departure information CTL: ______ departure runway ______, sur...
【简答题】Fill in the blank(s)in each sentence with a word or phrase from the box in its appropriate form. ups and downs go through close one's account misfortune put...through throw one's mind back to address ...