Now that he ________ that he had made some mistakes,you should have forgiven him.
—Are you coming to Jeff's party?—I'm not sure. I________go to the concert instead.
Mr. Bush is on time for everything. How________it be that he was late for the opening ceremony?
Tom, you________leave all your clothes on the floor like this!
There________be something wrong with my computer.
We thought of selling this old furniture, but we've decided to________it. It might be valuable.