单项选择题
A.hinging B.high C.higher D.highly
()the gangway, please.A.LowerB.HigherC.LoweredD.High
单项选择题()the gangway, please.
A.Lower B.Higher C.Lowered D.High
() you the officer on duty?A.IsB.BeC.AreD.Have
单项选择题() you the officer on duty?
A.Is B.Be C.Are D.Have
Spread a () net under the gangway.A.safeB.safetyC.dange...
单项选择题Spread a () net under the gangway.
A.safe B.safety C.danger D.dangerous