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i(notsee)himforthreeyears.iwonderwhereheis,适当形式填空救命

题目详情
i (not see) him for three years.i wonder where he is,适当形式填空
救命
▼优质解答
答案和解析
I haven't seen him for three years.I wonder where he is.
(Since+过去时间点,For+过去时间段都是现在完成时的标志.)