He_______here for 20 years by the end of next month．A.had workedB.has workedC.will have workedD.will work
He_______here for 20 years by the end of next month．
A.had worked
B.has worked
C.will have worked
D.will work
B.has worked
C.will have worked
D.will work
参考解析
解析：
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