【正文】
adio _____ for an hour. The radio _____ _____ _____ for an hour. 2. open the doorkeep the door open I opened the door twenty minutes ago. I _____ ______ the door ______ for 20 minutes. The door ____ _____ ______ for 20 minutes. has kept on has been on have kept open has been open have/has gone to… have/has been in … have/has been to… : Where’s Jim, Li Lei? B: He ______________his school library. Greens _____________China for three years. We _____________the Great Wall twice. It’s very beautiful. has gone to have been in have been to B A A B B stay A 她以前曾去過(guò)上海。 She has been to Shanghai before. 他在上海 10年了。 She has been in Shanghai for ten years 他去上海了。 He has gone to Shanghai. Byebye! 表示動(dòng)作或狀態(tài)從過(guò)去開始一直延續(xù)到現(xiàn)在甚至將來(lái) Mike borrowed the books two days ago. Mike has kept the books for two days. 所用的動(dòng)詞無(wú)延續(xù)性 ,不與一段時(shí)間連用 He has e to China for two years. (X) e to … arrive in/at.. be in … get to… He has been in China for two years. since two years ago. Beijing Museum exhibitions /,eksi’bi?n/ century /`sent??ri / Beijing’s past and present have collected A: __________you _______(see) the exhibitions recently? B:Yes, I ____ _____ one at Beijing Museum. A: What’s it about? B: I _______ ________(fet) the title. It’s about the changes over the past century. I ________ ____________(learn) a lot about Beijing’s _______ and _________. Have seen have seen have fotten have learned past present