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题目内容
（川北医学院-英语）
(单选题) There have been many ___________ in their marriage but they still love each other.(本题4.0分)
A、 ups and downs
B、 from head to toe
C、 time and again
D、 over and over
A、 ups and downs
B、 from head to toe
C、 time and again
D、 over and over
参考答案
