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问题: 一、单项选择

6、Zhao Lan____already_____in this school for two years.
A.was;studying
B.will;study
C.has;studied
D.are;studying

解答:

Zhao Lan___C_already_____in this school for two years.
A.was;studying
B.will;study
C.has;studied
D.are;studying
现在完成时是表示过去发生或已完成的某一动作对现在造成的影响或结果,常与现在完成时连用的时间状语有:already,just,yet,ever,never,once,twice,recently(近来),these days,since,for,in the past few days(weeks,months,years)。