The boss has given everyone a special holiday, so we ________ go to work tomorrow.  

A left－luggage office is a place where bags ________ be left for a short time，especially at a railway station.

Teachers        be sensitive to the development level of each student so as to help them better.

Oh, I'm not feeling well in the stomach．I ____ so much fried chicken just now．

You ______ do it if you really don’t want to.