题目内容
20.He's given an important talk on science to us,_________?( )| A. | is he | B. | isn't he | C. | has he | D. | hasn't he |
分析 他给我们作了一个关于科学的重要的报告,是吗?
解答 答案:D.根据He's given an important talk on science to us,_________?可知本句考查了反意疑问句的用法,反意疑问句分为两个部分,解答需要遵循"前肯后否,前否后肯"的原则,它的结构为:助动词/系动词/情态动词+人称代词/there等.在这里前面出现了has given,句子使用了现在完成时,后面的小疑问句也应该用助动词has,人称是he.故选D.
点评 本题考查了反义疑问句的用法.解答时注意反义疑问句由两部分组成:前一部分是一个陈述句,后一部分是一个简短的疑问句,两部分的人称时态应保持一致.
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