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题目内容
（西安石油大学大学英语二）
Seldom _____ any mistakes during my past five years of service here.(本题1.5分)
A、 made
B、 did I make
C、 should I make
D、 would I make
A、 made
B、 did I make
C、 should I make
D、 would I make
参考答案
