单项选择题
The anchor was then（）and the siren sounded.
A.aweigh B.weight C.weigh D.weighing
单项选择题 Are there many（）and warehouses in the port?
单项选择题 The quartermasters（）steer the ship and help the officer keep lookout.
单项选择题 The captain is in（）command of the ship.
