单项选择题
A.Do B.Have C.Get D.Give
The ship is going （）the wharf slowly.A.nearB.onC.alongs...
单项选择题The ship is going （）the wharf slowly.
A.near B.on C.alongside D.in
Hold （）the breast line.A.onB.atC.inD.to
单项选择题Hold （）the breast line.
A.on B.at C.in D.to
Sailors should do mooring work when （） harbour.A.enter...
单项选择题Sailors should do mooring work when （） harbour.
A.entering B.enter C.toenter D.entered
