The library keeper is worried, because the number of readers ________ smaller and smaller. A.is beco...
2022-05-26 19:09:11 126次 2020年吉林省四平市中考模拟英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The library keeper is worried, because the number of readers ________ smaller and smaller.
A.is becoming B.are becoming C.became D.will become
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