You have to be patient if you want to {{U}}sustain{{/U}} your position.

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:13:47 免费下载:《单选题》Word试卷

You have to be patient if you want to {{U}}sustain{{/U}} your position.
A.maintain
B.establish
C.acquire
D.support

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