—He ____be in the classroom, I think.—No, he_____ be in the classroom. I saw him go home a minute ago.
Would you ______ this picture ______the wall?
Here comes the train.Let’s _________ .
There ____________ too much homework for us to do today .
What_________useful book it is!Yeah,it is wonderful and it tells you how exciting it is to travel in______sky..
—I lost my bike yesterday and had to walk home. —________.