问题
选择题
When I met him last week, it was the first time we had seen each other _____ we were at school.[ ]
A. for
B. from
C. since
答案
答案：C
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When I met him last week, it was the first time we had seen each other _____ we were at school.[ ]
A. for
B. from
C. since
答案：C