There are many students ______ in the apartment.
—Do you believe that paper is made _____ wood?.—Yes, I do. And you can see that books are made____ paper.
—What _______ heavy rain it was!—Yes, but I love _______ air after it rains. It smells so fresh.
—What do you think of the books by Luxun? —They are wonderful, but I’ve read of them.
This is the best film I have _______ seen.
—I’m sorry I _______my homework at home..—That’s all right. Don’t forget _______it to school this afternoon.