题目内容
2.______ you ever ______ aboard?---Yes,but only once.( )| A. | Do,travel | B. | Have travelled | C. | Did travel | D. | Were travelling |
分析 --你曾经去国外旅行过吗?
--是的,但只有一次.
解答 答案:B.考查现在完成时态.句意"你曾经旅行过吗?是的,但只有一次.".A一般现在时态.B现在完成时态.C一般过去时态.D过去进行时态.由ever曾经,可知用现在完成时态.结构是have/has+动词的过去分词.答案是B.
点评 现在完成时态,由"have/has+过去分词"构成,表示动作发生在过去,但与现在的情况有联系.也表示从过去某一时间开始一直延续到现在并还可能继续延续下去的动作.结合语境,注意人称变化及动词过去分词变化.
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