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题目内容
（河南工业大学大学英语(二)）
The teacher seldom let an opportunity to teach his students or to help them make up for the days of schooling they had missed ___(本题2.0分)
A、 pass
B、 passing
C、 to pass
D、 being passed
A、 pass
B、 passing
C、 to pass
D、 being passed
参考答案