The stranger stood by the window, with his eyes ______ on the hills in the distance.

You haven’t got the textbook for my chemistry course yet—- I know, and we _____ to get it for the last 5 weeks

Next Sunday is Thanksgiving Day．Have you got any idea _____ we celebrate it?

The boss makes the workers_______long hours every day.

Everybody likes to work withis reliable and easy to get along with.