题目内容
3.---When _____ the shop open?---It has been _________ for about 10months.( )| A. | has,open | B. | did,open | C. | has,opened | D. | did,opened |
分析 ---商店什么时候开张的?
---已经开张大约十个月了.
解答 答案:B.上文是询问什么时候开张的,用一般过去时,借助于did构成疑问句,结合 for about 10months可知表达的动作发生在过去,持续了一段时间,故用现在完成时have/has+过去分词,open是短暂性动词,不能与一段时间连用,故换成be open,故答案是B.
点评 现在完成时用来表示之前已发生或完成的动作或状态,其结果的确和现在有联系.动作或状态发生在过去,但它的影响现在还存在;而一般过去时表示过去的事实,不表示和现在的关系.
I have just been to London.I went there last month.我刚去过伦敦,是上个月去的.
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