Match the target words or phrases with the definitions.alternative,convert,fall flat,inaccessible,initially,instant,numerous,pay off,potential,strip,substantial1.__________: fairly large2.__________: expected to become or be3.__________: a very short time4.__________: one of a number of things from which only one can be chosen5.__________: at the beginning6.__________: amounting to a large indefinite number7.__________: a person who adopts another religious or political belief8.__________: take off or remove9.__________: not capable of being obtained10.__________: fail utterly; collapse11.__________: yield a profit or result