题目内容
4.These problems are too hard to work out,______?( )| A. | are they | B. | aren't they | C. | is it | D. | isn't it |
分析 这些问题太难解决了,不是吗?
解答 答案:B.考查反意疑问句.句意"这些问题太难解决了,不是吗?".反意疑问句通常遵循前肯后否,或前否后肯的原则,本句含有too…to…"太…而不能…",疑问部分用仍然用否定形式.由are可知,否定形式用aren't.problems问题,用they它们,代替.答案是B.
点评 反意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.主要形式:陈述部分肯定式+疑问部分否定式;陈述部分否定式+疑问部分肯定式.要注意人称,时态变化,及一些特殊用法.
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