题目内容
19．---Why didn't you go to Lucy's birthday party？---Because l________．（ ）
| A． | am not invited | B． | wasn't invited | ||
| C． | haven't been invited | D． | won't be invited |
分析 --你为什么没有参加露茜的生日晚会呢？
--因为我没受到邀请．
解答 答案：C．
现在完成时的被动语态构成：主语+have/has+been+动词的过去分词，表示动作发生在过去，到现在已经完成或对现在仍有影响．根据"Why didn't you go to Lucy's birthday party"以及"Because I________．"可知没去的原因是没有受到邀请，是在对话之前发生的动作，造成的影响就是我没去参加露茜的生日晚会，对于主语"I"来说，是被邀请的，所以要用现在完成时的被动语态来填空，而B项只是表达了过去的一种情况，对现在没有产生影响，综上所述，故选C．
点评 首先要掌握现在完成时的构成以及用法，然后结合具体的题目，就可以确定正确答案．
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