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相关题目
单选题
This is ____ American oil tank.
单选题
It＇s ___to remain in your present position.
单选题
Dry powder is used to put out ___.
单选题
Our ship will not sail today. What about ___ ashore?
单选题
The third officer takes over the watch ___ the chief officer.
单选题
There is ___ Ocean-going vessel in the harbor.
单选题
The dockers are busy ___ their work.
单选题
It＇s getting dark. Please ___ the cargo lights.
单选题
Our captain asked me ___ to the bridge.
单选题
They ___ seamen next year.
