Class was over .All the students stopped writing and went out.为什么用ing而不用to do sth

It was all over class was over ,all the people left这是状语从句吗 Class was over .All the students stopped writing and went out.为什么用ing而不用to do sth I_____(understand) the question when the class was over. 求2道英语单项选择解析34.There are 51 students in Class Three,failed in the test.A.all of which B.all of them C.none of whom D.none of them35.Only when in the afternoon able to leave.A.the match was over; they were B.was the match over; were all over all over ALL OVER -Weren't you nervous when the professer called on you in class?-I'll say I was shaking all over-I guess anybody would.翻译下这段对话 I'll say 可以翻译为“我想，我认为”么？ Class is over .All the teachers are in the o( ) now Class _____(be)over,all the students rushed out of the classroom.Class _____(be)over.All the studClass _____(be)over,all the students rushed out of the classroom.Class _____(be)over.All the students rushed out of the classroom.其实就是all前面 class over对吗 she_in the rain and was wet_last nightA was caught hold of ,in all B caught sight of ,above all C was caught ,all over ,Dcaught,at all the meeting being over,all of us went home. 和when the meeting was over ,~ 为什么用being和was When the class was over,everyone made ___ the dining-room.A.atB.forC.toD.in The class was over and the teacher walked out of the C_____ Class was over,but some students continued ______ in the classroom.A.studyB.studiedC.studiesD.studying The class was over and the teacher walked out of the c________提问