改病句：At moment,they are cleaning the classroom.

改病句：At moment,they are cleaning the classroom. in a moment、at a moment是什么意思 They are at work ( ) the moment.A.at B.to C.in D.for for a moment,for the moment,the moment,in a moment,at the moment的区别. my father was at home a moment ago改一般疑问句. They are having a music class at the moment.改为一般疑问句. At the moment ,they are ( )books.A.read B.reads C.reading D.readding at the moment.at a moment都啥意思啊? at a moment 与at the moment有什么区别? in a moment ,at a moment ,on a moment ,for a moment 的区别 at the moment for a moment just a moment a moment later They need our help badly at the moment,____?A.needn't they B.need they C.don't they D.do they A句改病句～ 改病句a,b 改病句A选项 for a moment,in a moment,for the moment,at the moment 怎样区分? Father quickly dialed 110 at that moment.(改一般疑问句） ____father quickly____110 at that moment. 改病句Can they play card?