单项选择题
A.in charge of B.arranged C.decided to D.the depth of
A certificated lifeboatman assigned to command the life...
单项选择题A certificated lifeboatman assigned to command the lifeboat should（）.
A.be the first individual to board the craft B.drain the hydraulic pressure before lowering the craft C.have a list of the persons assigned to the lifeboat D.All of the above
（）is not convincing at all.A.What doB.What you sayC.Wha...
单项选择题（）is not convincing at all.
A.What do B.What you say C.What you said D.What did you say
（）for many years，the AB passed the examination and beca...
单项选择题（）for many years，the AB passed the examination and became an officer.
A.Having ignored him B.To have been ignored C.To be ignored D.Having been ignored
