17．The book Alice In Wonderland is very interesting．I ______ it twice already．（　�。�
A．readB．have readC．am readingD．will read

分析 這本《愛麗絲夢游仙境》非常有趣．我已經(jīng)讀過兩遍了．

解答 答案：B 根據(jù)句中already"已經(jīng)"得知，此句表達的是過去發(fā)生的動作對現(xiàn)在有一定的影響，所以要用現(xiàn)在完成時態(tài)；現(xiàn)在完成時態(tài)的結(jié)構(gòu)為have/has+動詞的過去分詞．故選B．

點評 判斷動詞的時態(tài)，要通過所給的時間狀語或標志詞去判斷動詞存在的狀態(tài)．

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