单项选择题
--Let go the towing line. –Yes ,I will （）.
A. let go it B. let go to it C. let it go D. let go for it
Slack （）the head line !A.downB.inC.outD.away
单项选择题Slack （）the head line !
A.down B.in C.out D.away
（）the line tight!A.KeepB.MakeC.HaveD.Let
单项选择题（）the line tight!
A.Keep B.Make C.Have D.Let
Mooring lines both （）were let go .A. from bow to sternB...
单项选择题Mooring lines both （）were let go .
A. from bow to stern B. port and starboard C. fore and aft D. bow and stern
