高等继续教育 / 电子商务英语
正确率：100%
题型描述: 单选题
She ＿＿＿＿＿＿be ill because I saw her playing tennis just now.
A.mustn't
B.may not
C.can't
D.couldn't
She ＿＿＿＿＿＿be ill because I saw her playing tennis just now.
A.mustn't
B.may not
C.can't
D.couldn't
参考答案：