the two students -----------when the teacher came in 为什么填 we

the two students -----------when the teacher came in 为什么填 we when the teacher came in ,we stop ( ) When the teacher came in ,the students stopped ______(talk ) When the teacher came in,the students s___talking the students stopped talking when the teacher came in The students stopped talking () when the teacher came in. The students stopped______(talk)when the teacher came in. When the teacher came in,the students were____ themselves __ The students------(stop)talking when the teacher came in The teacher came in,__ by some students. 为什么填followed 而不是fol We all stoped____(talk) when the teacher came in. When the teacher came in,we __（talk）