19..Someone is at the door, who is_________?20.
The frighten boy lay in bed quietly, with his eyes____ on the wall, saying nothing.
--- I’m afraid I’ve failed the driving test.--- ______. Maybe things are not so bad as you think.
GMM’s friend: Just be careful. You may break the antique vase.Guo Meimei: _________? My boyfriend has nothing but money.
As nobody here knows what is wrong with the machine, we must send for an engineer to _________ the problem.
I finally get the job. Never in my life _________ so happy.