—We should wait ________ more minutes. I think Jeff will come soon .—I’m afraid not . We have ________ time left , the plane is going to take off .

We should help people who are in hot water, then the word will get more and more beautiful..

The old man lives ____ in the big apartment but he doesn’t feel ___ at all

---Are you ____ of the dark?  ---Yes, so I always go to sleep with my bedroom lights ____ .

—____ bike is this?—I think it’s Sally’s.