单项选择题
She arrived at the anchorage last night and anchored（）berth.
A.waiting B.awaiting C.awaiting for D.waited
单项选择题 Shall we（）wait at the roadstead till there is a free berth for us?
单项选择题 Routine radio communications should be no more than（）.
单项选择题 PORT A BIT SLUGGISH means that port rudder（）.
