It's mid-night now, but Kitty hasn't returned. Her mother ____________ be worried. A.can B.may C.mus...
2022-09-16 21:14:31 117次 上海市金山区2019-2020学年九年级上学期期中英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
It's mid-night now, but Kitty hasn't returned. Her mother ____________ be worried.
A.can B.may C.must D.need
本题链接：
