单项选择题
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
We would like to （）your captain.A.sawB.seenC.seeD.seein...
单项选择题We would like to （）your captain.
A.saw B.seen C.see D.seeing
