–The books are usually quite expensive when they first come out, but they ________be rather cheap so...
2022-11-10 13:15:06 149次 湖北省武汉市2017届中考英语模拟押题卷 6 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
–The books are usually quite expensive when they first come out, but they ________be rather cheap sometimes
A. must B. can C. should D. need
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