单项选择题
A.aboard B.board C.boarding D.ashore
May I （）a look around your ship?A.hasB.hadC.haveD.havin...
单项选择题May I （）a look around your ship?
A.has B.had C.have D.having
It is very important for a sailor to （）a safety patrol....
单项选择题It is very important for a sailor to （）a safety patrol.
（） inspections have you made?A.WhoB.WhatC.HowD.Which
单项选择题（） inspections have you made?
A.Who B.What C.How D.Which
