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silent quite outgoing funny
essential equal special superior
sure; very right; rather exact; fairly certain; quite
equal essential special superior
had seen was seeing did see would see
sure about afraid of famous for ready for
did see was seeing had seen would see
He believes they will be useful to human beings. He believes that they will control us in the future. He is not quite sure in what way they may influence us. He doesn't consider the construction of such machines possible.
sure; very certain; quite exact; fairly right; rather
Really Sure enough Certainly However
certain sure secure convenient
he was quite sure of success he was not sure he would get the umbrella back he was rich enough to afford a new umbrella he did not know what to do
extremely absolutely very particularly