Children under 12 years of age in that country ________ be under adult supervision when in a public...
2023-02-16 19:43:05 152次 2010届高考英语二轮复习跟踪测试：情态动词专题2 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Children under 12 years of age in that
country ________ be under adult supervision when in a public library.
A. must B.
may C.
can D. need
本题链接：
