---May I look at the menu for a little while?--- Of course, _______, sir.
If you hadn’t taken such a long time to get dressed,we’d __________there by now.
I apologize if I__________you,but I assure you it was unintentional(无意的).
I would have gone to visit him in the hospital,had it been at all possible,but I __________fully occupied the whole of last week.
There is a real possibility that these animals could be frightened,__________a sudden loud noise.
If the horse won today,it__________thirty races in five years.