－Mike, I can’t stop playing computer games.－For your eyes, I am afraid you ______.

Cars, buses and bikes ________ stop when the traffic lights turn red.

They urge the local government that the problem ________ as soon as possible.

—David，is that man your Chinese teacher?—It___________ be him．He’s having a meeting． 

If you ________ smoke in the room, please keep the windows open.