17．Each morning，a group of elderly womengather （聚集） at the park singing songs．

分析 每天早晨，一群老年婦女聚集在公園唱歌．

解答 答案：gather  
考查謂語動詞．根據(jù)所給的漢語提示"聚集"和句子結(jié)構(gòu)可知，此處是謂語動詞，根據(jù)時間狀語Each morning，可知是一般現(xiàn)在時，主語a group of elderly women是復(fù)數(shù)，所以動詞應(yīng)用原形，"聚集"的英語是gather，故填 gather．

點評 本題考查謂語動詞，解題時首先要根據(jù)語境和時間狀語來判斷句子的時態(tài)，然后根據(jù)所給的漢語提示寫出正確答案．

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