A.at the same time B.exclusively C.within the same period D.consecutively
A.If B.Provided that C.Should D.When
A.when was your vessel built B.at what time is your vessel building C.when is your vessel built D.at what time you built your vessel
A.your responsible B.you responsible C.you are responsible D.your are responsible
A.break B.broke C.breaked D.broken