.It is cold in the room. You must have turned off the steam, ______ you?

My mother is a great cook and we      never get enough of her cookies.?

Father doesn’t know Jack has been gambling; if he found out, I think he        him out.

He chose to teach in a mountain village, though he       in the city for a better life.

Since he has made such good preparations , there ______be any difficulty in winning  the first prize.

---Where is my new football shoes, Mum? I need them to play football with my friends.
　　---I haven’t seen them. You ____ somewhere in your room.

— May I tell this to my close friend?  
— No, you___________. Never let anybody else know about it.                     

Peter said he ______ when he got there but we have never heard from him since then.

I________have gone the concert because I know nothing about that kind of music.

--- Why does Thomas speak through every discussion but never listen to the others?
--- That’s what he________do. We used to hate that, but are used to it now.