The teacher came into the classroom with a book ___ his hand.A on B in C at D of应该选哪个?为什么?

the teacher came into the classroom quiet Keep ( ),the teacher came in ( ）（quiet) The students stopped______(talk)when the teacher came in. When the teacher came in ,the students stopped ______(talk ) The teacher came into the classroom with a smile ? herface. When the teacher came into the classroom,we stopped t________ The students------(stop)talking when the teacher came in The children stopped (talk) -----------as the teacher came in The students________(chat)until the teacher came in. The students all stood up ____ the teacher came in. 是 in came the teacher 还是 in the teacher came如果是 in came the teacher 那么为什有 Out he rushed 而不是 Out rushed he? the teacher came into the classroom with athe teacher came into the classroom with a smile her face.介词填空 ------(follow)their teacher some students came into the classroom they,what,doing,teacher,the,in,came,were,when three days passed before the teacher came.怎样翻译啊? When the teacher came in,we __（talk） 完成单词:our teacher came into the classroom as u_. （the teacher came in when I was reading)是否正确