She must be having a few buttons missing怎么读

She must be having a few buttons missing怎么读 She must be having a few bottoms missing 的意思 Must Be 怎么读 She must be a teacher,＿＿?（反意疑问句）怎么填啊? 英语：I think she must be a teacher,___?怎么写? 帮忙翻译下这句话.Interesting.It must be great having a twin sister.A At a wedding,the (w)must be a few minutes late. having a picnic怎么读 She look pale.She （　）ill A.can　be　　B.must　be　C.should　be That must be a lot fun___________a bus .添having 为什么是动名词? it must be teenagers ------------fun.A have B having C had D A few problems with supply under the old contract must be qu