It has been ten years _______I left my hometown.
_________ a new building _________ in our school last year?
---The picture book doesn’t seem so popular. What about the dictionary?---Oh, the dictionary _______ well.
---When can we use this lift? ---Not until it____________ next week.
________ students in the classroom ______ twenty. The others are in the library.
— Do you believe that paper is made _______ wood?—Yes, I do. And you can see that books are made________ paper.