A number of books in the library ____ been stolen so that the number of them ____ smaller than befor...
2022-11-10 21:58:21 70次 2014-2015学年温州市高一上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
A number of books in the library ____ been stolen so that the number of them ____ smaller than before.
A. has, are B. has, is
C. have, is D. have, are
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