We've been through some {{U}}rough{{/U}} times together．

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:16:30 免费下载:《单选题》Word试卷

We've been through some {{U}}rough{{/U}} times together．
A.long
B.happy
C.difficult
D.short

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