We must {{U}}abide{{/U}} by the rules.

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:13:46 免费下载:《单选题》Word试卷

We must {{U}}abide{{/U}} by the rules.
A.stick to
B.persist in
C.safeguard
D.apply

;