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rigerator yet. 我還沒有把冰箱清除干凈。 clean sth. out 打掃某物之內部,掃除某物的塵土等。 2. pack sth pack umbrella/towel Grammar 現(xiàn)在完成時的用法 現(xiàn)在完成時表示過去某時發(fā)生的行為對主語目前產(chǎn)生的影響。即用過去發(fā)生的某個行為來說明現(xiàn)在的某種情況。 We are good friends. (現(xiàn)在的情況) I knew him in 1997.(過去的動作) Exercises: 1. Have you _____ spoken to an American? No, not_____. A. ever never ever yet yet has bought a ____ suit. ’m lookin forward to _____ you. have bought the dictionary_____. Homework: Write a passage according to the following questions: What have you done this week? What haven’t you done yet ?