19．Lily checked the dress she _________ again to make sure that it would stand out．（　�。�
A．would designB．is designingC．has designedD．had designed

分析 Lily 再次檢查了她設計的衣服，以確保它會脫穎而出．

解答 答案：D
根據(jù)"Lily checked the dress"使用了一般過去時可知，此處的"設計"是發(fā)生在過去（Lily 檢查這件衣服）之前的動作，應使用過去完成時；故選D．

點評 本題考查了過去完成時（had+done）的用法；首先應根據(jù)句中已知的時態(tài)以及句意，判斷出此處動作發(fā)生的時間；其次應了解過去完成時表示的是發(fā)生在過去之前的動作；最后應熟練掌握各時態(tài)的意義及用法區(qū)別．

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