问题TOFEL语法,1.Castiglione's (ideal) Renaissance (gentleman) ne

问题TOFEL语法,1.Castiglione's (ideal) Renaissance (gentleman) never hurt people's feelings or (make them feel) inferior (by) showing off.2.(Many) of the island of Molokai retains (its) rural atmosphere,(even though) it is a popular tourist (resort).3.In American law,double jeopardy (is) the name of the Constitutional (principle) that (protects) a person from being tried twice (on) the same charge.4.(In engineering),fatigue is the microscopic (crack) of materials,after (repeated) applications (of) stress.问题TOFEL语法请说明原因,