Mr Smith works with a chemical company,but he_ for the industrial fair,since he is on leave.Mr Smith works with a chemical company,but he ______ for the industrial fair,since he is on leave.A.has worked B.worksC.has been workingD.is working这句话
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Mr Smith works with a chemical company,but he_ for the industrial fair,since he is on leave.Mr Smith works with a chemical company,but he ______ for the industrial fair,since he is on leave.A.has worked B.worksC.has been workingD.is working这句话
Mr Smith works with a chemical company,but he_ for the industrial fair,since he is on leave.
Mr Smith works with a chemical company,but he ______ for the industrial fair,since he is on leave.
A.has worked
B.works
C.has been working
D.is working
这句话怎么翻译啊?
Mr Smith works with a chemical company,but he_ for the industrial fair,since he is on leave.Mr Smith works with a chemical company,but he ______ for the industrial fair,since he is on leave.A.has worked B.worksC.has been workingD.is working这句话
C
史密斯先生现在在一家化学企业工作,但是在他离开之前,他一直都在位工业博览会工作.
过去完成进行时.
以前一直在做.