working long hours, woking for long hours
since going to work at the agency, he has been working long hours.
后面为什么不是woking for long hours呢?
经常说到的都有work for a long time...
这个里面为什么不加for呢.
谢谢.
人气：350 ℃ 时间：2020-04-07 09:00:47
解答
for后面加段时间
可以这样说He has worked for long hours.
而问题这句是个现在完成进行时,所以work后面直接加时间而不用介词
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