I(  )in the library every night over the

题库2022-08-02  20

问题 I(  )in the library every night over the last three months.A.worksB.workedC.have been workingD.had been working

选项 A.works
B.worked
C.have been working
D.had been working

答案 C

解析 根据题干中出现的时间词over the last three months可知应当使用现在完成时或者现在完成进行时,选项ABD排除。故正确选项为C。
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