单项选择题

Mooring lines both（）were let go.

A.for and aft
B.from and aft
C.fore and aft
D.all and aft

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单项选择题

A.bearing
B.position
C.location
D.place

单项选择题

A.an officer's license
B.an officer's promotion
C.an officer's statement
D.a seaman's book

单项选择题

A.Greenwich Mean Time
B.Gross Mean Time
C.Great Mean Time
D.Gross Metric Ton