When I went into classroom, the final bell——(ring). 为什么要用过去进行时?

when i went into the room,I found it ()alreadyis cleandwas cleaningto cleanecleaned 英译汉:I knocked into a tree when I went to the railway station for my friend. one day when I went into his room,Isaw him__on a tableAsitting B.was sitting I first began to feel sick when we went into the classroom. When I went into the office,the teachers were busy ____ preparing their lessons.(prep.) That naughty boy stopped to make a noise/making a noise when he saw his teacher coming into the cla When I went into he room , I found him ____ ( lie ）为什么填lying,请详解,谢谢. I got into a ____ when I found the door was locked.He _____ with a smile then went away. I followed it tosee where it was going,and I was very surprised when it went into a souvenir shop Yesterday i caught him_________my dictionary when i went into the classroom.为什么填写taking而不是being taking i remember( )I was doing when Yang LIwei went into space on October 15,2003A.thatB.whatC.whereD.who The students seemed ---the homework when I went into the classroomAto discuss Bto be successing Cto discussing Ddiscussing要原因.. When I went into classroom, the final bell——(ring). 为什么要用过去进行时? Who went into our house when we were at the 英语翻译I went into the house and ran up the stairs.When I got to the top,I saw a field full of blue horses. I knocked into a tree when I went to the railway station for my friend.--I suppose you( )too fast.选择drove还是选择 were driving填空? When I went into the reading-room,I saw there were () there.A.much people B.a lot of peoplesC.many peoples D.lots of people I was ____what I wanted to speak when my teacher went into the classroom.A.putting down B.putting off C.putting away