题目内容
18．-Is everybody here？-No，sir．Jimhasn't arrived（not arrive） yet．He is still on the way．
分析 --大家都到了吗？
--没有，老师．Jim还没到．他仍然在路上．
解答 答案：hasn't arrived 根据He is still on the way．他仍然在路上．可知还没到，应该用否定句．结合副词yet，可知应该用现在完成时态．现在完成时态的构成：have/has+过去分词．否定式：have/has+not+过去分词．主语为单数Jim故用hasn't，arrive的过去分词为arrived．故填：hasn't arrived．
点评 本题主要考查现在完成时态．现在完成时态的构成：have/has+过去分词．
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