Wei Ming's aunt is a cabin steward for Air China and she____

Wei Ming's aunt is a cabin steward for Air China and she____(fly)all over the world.
There___(be)many trees here 10 years ago.I____(为.做饭）my mother on her last birthday.The plane will take off from Beijing (ten minutes later)对打括号的提问.___ ____ the plane take off from Beijing