. ___________ anything about the accident, he went to work as usual..
---I have _______ to apologize for the slight damage to your recorder. --- Never mind.
-----What _____? -----I______my key and can't open the door.
-Now that you like the personal computer very much, isn't it a good idea to get one? -Well, I'd like to but I can't afford _____ computer at present.
I___ to have another try if I get another chance.
Oh, it's you, I'm sorry I ____know you ____here.