单项选择题
The sailors at the stern are making preparations for（）.
A.make fast B.unmooring C.single up D.moor
单项选择题 Bosun, we’ve finished painting the （）already.
单项选择题 No power for the winch. Please have the derrick （）.
单项选择题 Go to the after deck. The （）is no place for you.
