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题目内容
（西安石油大学大学英语I（下））
If you happen to________my lost papers while you’re looking for your book, please let me know at
once by telephone.(本题2.5分)
A、 come across
B、 come to
C、 come up
D、 come over
once by telephone.(本题2.5分)
A、 come across
B、 come to
C、 come up
D、 come over
参考答案