They ___ mp3s when my mother was a student.A hadn'tB didn't haveC weren't havingABC有啥区别 感觉都是“没有”的意思啊?

They ___ mp3s when my mother was a student.A hadn'tB didn't haveC weren't havingABC有啥区别 感觉都是“没有”的意思啊? when did they come?-___?___ last sunday When they ___(finish),they ___(be )able to hoid many cars. what were they doing when they ___ ___(听说)the event? the____ boys cheered when they heard the ___ news.(excite) do you know ___ when they meet?1 what they do2what do they do3whai they did4 what did they do Besides,I am the first person they ___ ___ helpBesides,I am the first person they ___ ___ help when they have a problem. There was once ___ time ___ they were good friends 为什么填a,when when they ___ 16.they started to work.A.get B.have C.catch D.reach When they ____(be)eighteen,they ___ (leave) their hometown怎么填 They would take care of their furniture ___ they were away.When 还是while 根据汉语完成句子当他们与客人见面时,他们俄国人通常亲吻三下They ___ usually kiss ___ ___ when they ___ visitors. When I ___ ___ the park ,they were ___ ____ 当我到达公园时,他们在照相 he had the house painted blue when they moved in,___?did he had they didn't theyhadn't they They arrive ___ noonand leave ____about 7 p.m. We are trying to protect them when they are in danger.We are ___ ___ ____ to protect them when they are in danger. 当他们面临困难时,他们变得很紧张.When they are___ ___ ___ ___,they get nervous.我们学的词组是in the face of 英语填空：如下：J:___ is my watch,Mom?M:It ___ ___the sofa.J:Where ___ my pencil and eraser?M:___ they ___ your pencil case?J:No,they ___.M:Are they ___ the desk?J:Yes,they are.Where ___ my backpack?M:Is it is.___ you,mum.J:You should look af