单项选择题
A.Has there been B.Have there been C.Has there D.Have there
()day,pilot flag should be displayed from main mast.A.F...
单项选择题()day,pilot flag should be displayed from main mast.
A.From B.By C.on D.With
()any sick person on board now apart from the above-men...
单项选择题()any sick person on board now apart from the above-mentioned cases?
A.Have B.Has C.Is there D.Are there
()any person died on board during the voyage otherwise ...
单项选择题()any person died on board during the voyage otherwise than as a result of accident?
A.Have B.Has C.Has there been D.Are there