一My mother is ill.一________
-Have you got the airplane tickets? -No, because it's May Day ,all the tickets to Beijing______out.
There was an accident. at the corner,______the girl wasn’t_______hurt.
When I hurriedly got to the airport ,the lady at the window told me that there were no________ left on the plane.
Ihis is ______book I've told you about. It's written by_____ university teacher.
I don’t know if he tomorrow. But if he , I’ll tell you.