________ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
Hi, somebody ______ the window, please. It’s too cold in here.
.______ you think you can or not, you must finish the project before Friday.
Recently Shanghai has a lot of visitors, most of _____ come to see the 2010 Shanghai Expo being held now.
—I wonder if you are still an employee in that small company? —Oh, I ______, but now I’m a public servant in a government department.
.—John, where are the cookies? Don't tell me you ate them all. —_____. I couldn't help it.They were so good.