单项选择题
A.moor B.moorings C.mooring D.to moor
The ship arrived at （）yesterday.A.the anchorageB.anchor...
单项选择题The ship arrived at （）yesterday.
A.the anchorage B.anchor C.captain D.the capstan
The ship has to （） out of harbour.A.beB.getC.let go an...
单项选择题The ship has to （） out of harbour.
A.be B.get C.let go anchor D.anchor
Port-hand buoys are painted（）in colour in A area.A.gree...
单项选择题Port-hand buoys are painted（）in colour in A area.
A.green B.red C.yellow D.white
