题目内容
2.The computer's very useful in our life nowadays, it?( )| A. | isn't | B. | has | C. | wasn't | D. | is |
分析 电脑在我们现在的生活中很有用,是吗?
解答 答案:A.
根据The computer's very useful in our life nowadays, it?可知本句考查了反意疑问句:要遵循"前肯后否,前否后肯"的原则.又因为这个句子里面有be 动词-is,所以疑问句还用is,The computer's very useful in our life nowadays是肯定句,后面必须用否定式,主语是the computer在疑问句中用 it代替.故选A.
点评 本题考查了反意疑问句的用法.解答时要遵循"前肯后否,前否后肯"的原则,还要选好恰当的助动词.有了系动词、情态动词或助动词的可以直接用.
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