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- 单项选择题There have been many _____ in their marriage but they still love each other. ( 章节：1 难度：3)
A、ups and downs
B、from head to toe
C、time and again
D、over and over
- A
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A、ups and downs
B、from head to toe
C、time and again
D、over and over
关注下方微信公众号，在线模考后查看