Travel agencies claim they work in close______ with the local authorities to bring tourism back to i...
2022-05-13 15:48:20 20次 2020届天津市高三下学期开学英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Travel agencies claim they work in close______ with the local authorities to bring tourism back to its former glory.
A.reference B.company
C.sympathy D.cooperation
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