Calcium can make our bones and teeth _________, is that so? A. to be strong B. strong C. to strong D...
2022-10-16 05:18:40 130次 2018-2019学年冀教版九年级上册英语Unit 1单元测试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Calcium can make our bones and teeth _________, is that so?
A. to be strong B. strong C. to strong D. being strong
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