单项选择题
A.not to go against B.don’t go against C.not go to against D.to not go against
（） in the engine room, the motormen could hardly talk e...
单项选择题（） in the engine room, the motormen could hardly talk each other.
A.To work B.Working C.Having worked D.worked
Upon arrival at a port, a vessel is not allowed （） her ...
单项选择题Upon arrival at a port, a vessel is not allowed （） her ballast water, tanker washings or bilge water and other oily water at will.
A.to discharge B.to be discharged C.discharging D.being discharged
We prefer all the spare parts （） on board before depart...
单项选择题We prefer all the spare parts （） on board before departure.
A.to send B.to be sent C.for being sent D.being to send
