—Maria is wanted on the telephone. Where is she? —She _________ the library. You can find her there.
—Excuse me, Liu Ming. Could you tell me what a UFO is like? —Sorry. Perhaps really knows whether there is a UFO in the world.
New Year’s Eve, there are lots of celebrations around the world.
A lot of good teachers ____ their students .
--Where is Tom? --He ____ in the big room.
It’s eight o’clock . The students ____ an English class.