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题目内容
（河南城建学院英语（二）(专升本)）
I didn.t know what to do but then an idea suddenly _____ me.(本题2.0分)(本题1.0分)
A、 happened to
B、 happened upon
C、 occurred to
D、 occurred upon
A、 happened to
B、 happened upon
C、 occurred to
D、 occurred upon
参考答案