Sir,you_____be sitting in this waiting-room.It is for women and children only. A.can’t B.shouldn't C.won’t D.needn't请帮忙解答一下为什么正确答案是B,而不是A呢?

Sir,you_____be sitting in this waiting-room.It is for women and children only. A.can’t B.shouldn't C.won’t D.needn't请帮忙解答一下为什么正确答案是B,而不是A呢? Sir,you_____be sitting in this waiting-room.It is for women and children only.（a）A.oughtn’t to B.can’t C.won’t D.don’t为什么不选B? Sir,you_____be sitting in this waiting-room.It is for women and children only.（a）A.oughtn’t to B.can’t C.won’t D.don’t我觉得B也可以呀 我觉得先生，你不能坐在这几个房间里，它仅仅是为妇女和儿童准备的。 How do you so late sitti ng up 翻译中文 点解阿Sir系阿Sir, yes,sir. yes sir! Hurry up,and you will be there on time.(保持愿意)_____you_____hurry up,you_____be there on time.或_____you hurry up ,you_____be there on time. She will come back soon;you_____be worry用适当的情态动词填空 点解阿sir系阿sir程sir开的是什么车 点解阿Sir系阿Sir中的手机 点解阿sir系阿sir 陈豪 手机 Excuse me.sir excuse me sir No,Sir .yEs,Madam am really sorry ,sir. Sir Philip Sidney是谁 什么意思? yes sir