“Facial transplants are no longer science fiction imagination ,”a surgeon has said,____that they are ___possible but technically complex..
-I usually go there by train. -Why not ____by boat for a change?
What’s the language ______to Germany?
.She reached the top the hill and stopped ______on a big rock by the side of the path.
Tom kept quiet about the accident ___lose his job.
.-Shall we go skating or stay at home? -Which _______do yourself?