单项选择题
This accident was caused by careless maneuvering（）the part of your vessel.
A.on B.for C.at D.in
单项选择题 This is to bring（）your notice that MV Utopia has anchored too close to my ship.
单项选择题 Vessel towing with the current shall（）tow more than two boats and they must be towed alongside.
单项选择题 Vessels are required to illuminate their（）to aid identification.
