Don’t forget to the light when you leave the room.

Fifty dollars for such a T-shirt！You_____ be joking！— I’m serious. It’s made of silk.

__________ is known to us, the PRC was founded on October 1, 1949.

He is so addicted to smoking that ________seems to be no chance of talking him into quitting

I’m really fed up with my Senior 3 life. There are too many exercises every day.–But you fail if you don’t work harder.