![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Lesson Two extended number practice--Listen and fill in the blanks with numbers-2 1. Time check ____ 2. mach ______ 3. maintain ______ 4. Airbus _______ 5. _______ 6. FL______ 7. heading _______ 8. wind ______ ______ gusting ______, 9. visibility _______.