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他们已经工作两个小时了.They have been working for two hours.They have worked for two hours.哪个
他们已经工作两个小时了.
They have been working for two hours.
They have worked for two hours.
哪个对,两个句子有何区别.
人气:359 ℃ 时间:2019-08-22 10:17:44
解答
They have been working for two hours.
现在完成进行时.
表示截止现在,他们已经工作2小时(并仍在继续工作).
They have worked for two hours.
现在完成时.
表示他们已经工作了2小时,但不见得仍在继续工作.
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