we____ use mobile phone when the plane take offA.may not B.shouldn't C.needn't D.mustn't

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 00:03:57
we____ use mobile phone when the plane take offA.may not B.shouldn't C.needn't D.mustn't

we____ use mobile phone when the plane take offA.may not B.shouldn't C.needn't D.mustn't
we____ use mobile phone when the plane take off
A.may not B.shouldn't C.needn't D.mustn't

we____ use mobile phone when the plane take offA.may not B.shouldn't C.needn't D.mustn't
D
一定不要的意思
abc表达的语气不够强烈