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        1. 【題目】They have already seen the movie.(改為否定句)

          They __________ seen the movie __________.

          【答案】haven't yet

          【解析】

          句意:他們已經(jīng)看過這部電影了。

          題目要求改為否定句。分析句子可知,原句時態(tài)是現(xiàn)在完成時,改為否定句需在助動詞have后加not,可縮寫為haven't;否定句需將already改為yet放在句尾。故填(1). haven't (2). yet。

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