单项选择题
A.What rudder B.How heading C.Are you on your course D.How answer
（）time will the pilot be available?A.WhatB.WhenC.At wha...
单项选择题（）time will the pilot be available?
A.What B.When C.At what D.At when
（）the jumbo everything is ready for loading.A.ExceptB.E...
单项选择题（）the jumbo everything is ready for loading.
A.Except B.Excepting C.Except for D.Except that
（）the captain said is reasonable.A.ThatB.ItC.WhichD.Wha...
单项选择题（）the captain said is reasonable.
A.That B.It C.Which D.What
