A.getting B.to get C.to have got D.for getting
A.a message about the safety of navigation will follow B.a message of an urgent nature about the safety of a ship will follow C.the sender is in distress and requests immediate assistance D.you should secure your radiotelephone
A.obliged B.obliging C.oblige D.being obliged
A.Hard rubber B.Canvas C.Leather D.Sponge rubber
A.Static electricity B.An open and running motor C.Loose wiring D.All of the above
