do you believe that your moniter will be the best student of your class next year?还有一句是do you believe that the teacher of your class is going to buy 1000 books in the book store in wang fujing street tomorrow?这两句话中的of your class 为什么是在不同的位置,为什么第二句中的of your class 不能放在1000 books的后面?求解答!!!
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