When did you finish your homework last night—A bit late, ________ my father came back home from work.

What’s in the pencil-box —________a pen in it.

It is on September 1ststudents go back to school every year.

____ you read the newspaper?— YesI ____ it on the bus while I was on my way to work

Do you believe that paper is made _____wood —Yes, I do . And you can see that books are made _____paper.