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mengjia097
work for longwork for a long time
长腿蚊子
they work for a long time.正解 they works is very long hours.错误 works 作为名词是工厂的意思,显然是错的,若是动词,主语they是复数应用work,而动词后加be动词显然就不那么恰当了. hours是小时的意思,显然不能用long（长）来形容.
清影5127
I have been working for a long time
深海R蔚蓝
To work long hours
cdzsmz5288
I have been working nonstop.
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