问题
单项选择题
Any vessel in need of carring out deck washing must be（）by the department concerned beforehand.
A.requested
B.allowed
C.approved
D.inquired
答案
参考答案：C
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Any vessel in need of carring out deck washing must be（）by the department concerned beforehand.
A.requested
B.allowed
C.approved
D.inquired
参考答案：C