用is/are填空。 There ____ four chairs. There ____ a book and three pens. There ____four pens and a ruler. There____ some apples. There ____ some milk in the cup. There____ a new bed.
【简答题】“The price of books for our students is just getting higher and higher and,combined with the rising cost of tuition,it’s killing these students,”said Peter Jason,a college professor.“Remember,students...