题目内容
18.In 1938,a radio program by actor Orson Welles announced that aliens from Mars on the earth.( )A. | landed | B. | land | C. | landing | D. | had landed |
分析 1938年,由演员奥森.威尔主持的广播节目宣布说来自火星上的外星人已经在地球上着陆了.
解答 答案:D 联系汉语意思根据announced(宣布),可知在宣告之前,外星人已经登陆,所以announce和land两个动作属于前后发生;又因为announced是过去时态,那么land就应该表示过去的过去,即过去完成时,其结构为had+过去分词,所以此处应填写had landed.故选D.
点评 此题考查过去完成时.做题时,要根据语境判断出动作是过去的过去,要用过去完成时,并要熟知它的结构had+过去分词.
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