3．The strong wind ______ on the lake，so they decide to put off the dragon-boat race．（　　）
A．has been blowingB．blows
C．has blownD．blew

分析 句意：湖面上一直刮著強(qiáng)風(fēng)，因此他們不得不推遲龍舟比賽．

解答 答案：A"have/has been doing"表示過去發(fā)生的動作一直持續(xù)到現(xiàn)在可能剛剛結(jié)束，也可能繼續(xù)持續(xù)下去．而"have/has done"表示過去發(fā)生的動作對現(xiàn)在的影響．根據(jù)句意：湖面上一直刮著強(qiáng)風(fēng)，因此他們不得不推遲龍舟比賽．說明刮風(fēng)這個動作可能會繼續(xù)持續(xù)下去．故選A．

點評 本題考查現(xiàn)在完成進(jìn)行時，要掌握其用法并結(jié)合具體的語境選擇出正確的選項．

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