—It’s reported that the new underground line has been completed. —Yes but it hasn’t been made clear it’s to be opened to traffic.
—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.