题目内容
5.They can't go with us now.Theyhaven't finished(not finish) the work yet.分析 现在他们不能和我们一起去.他们还没有完成这工作.
解答 答案:haven't finished 根据题干They can't go with us now. They_____(not finish) the work yet. 现在他们不能和我们一起去.可知是因为他们还没有完成这工作.再结合标志词yet,可知应该用现在完成时态.现在完成时构成:have/has+过去分词.否定式为:have/has+not+过去分词.故填:haven't finished.
点评 本题主要考查完成句子,首先要根据所给单词提示,然后根据句式特点,结合句意和词性,确定单词的适当形式,最后把句子补充完整.本题主要考查:现在完成时构成:have/has+过去分词.否定式为:have/has+not+过去分词.
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