题目

Harry Potter only had a small room ____ when he just came to his aunt’s. Choose the wrong answer : A. to sleep            B. to sleep in     C. in which he could sleep     D. where he could sleep 答案：A隋朝开凿了贯通南北的大运河，开创了科举制；唐朝的繁荣完全受惠于隋朝所开创的良好基础。