问题
选择题
—My old friend White is going to visit me.
—We haven't seen each other _____ five years. [ ]
A. since
B. after
C. for
答案
答案：C
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—My old friend White is going to visit me.
—We haven't seen each other _____ five years. [ ]
A. since
B. after
C. for
答案：C