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________the Great Wall twice. It’s very beautiful. sister isn’t here, she ___________Dalian. ___________Beijing for more than two moths, he_____________many interesting places in Beijing. has gone to have been in have been to has gone to has been in has been to 2. 分清與一般過去時的用法 現(xiàn)在完成時屬于現(xiàn)在時態(tài)的范圍, 不能 和表示過去的時間狀語連用,如 yesterday,last night,three weeks ago,in1990等 .而一般過去時只表示過去的動作或狀態(tài),和現(xiàn)在不發(fā)生關系。 eg I have seen the film. eg I saw the film last week. eg He has lived here since 1993. eg He lived here in 1993. 動詞填空: you ______(clean) the room? Yes, we_______(do) that already. When _______ you ______(do) it? We _______(do) it an hour ago. he ______(see) this film yet? Yes. When _____ he _____(see) it? He ____