_____ a lot of small ads are put up on the walls, out city will be untidy.
The student is _________ see the teacher because he_________a mistake.
I_________ a worker, but now I am an actor.
He must be in the room, because the light in the room is__________.
Girls are afraid of math .They think they have some learning it .
His parents were worried that he too much time chatting on line.