单项选择题
We must（）the mooring lines when the tide rises and falls.
A. slack away
B. take on
C. take in
D. adjust
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相关考题
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单项选择题
Mooring lines（） were let go.
A. for and aft
B. from and aft
C. fore and aft
D. for and after -
单项选择题
Lower the（）to the tug.
A. towing line
B. slip line
C. breast line
D. spring line -
单项选择题
Put the stern line on the（）.
A.bollard
B.bit
C.biting
D.bitted
