题目

—Mum, could I have a computer like this? —Certainly, we can buy ________ one, but as good as this. The price of this kind is a little higher. A. a cheap               B. a cheaper                  C. a small                     D. a smaller 答案： B  由题意知空格处所在句表示“我们可以买一个较便宜的”。

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