精选优质文档-倾情为你奉上高中英语主语从句专项练习1、The limits of a persons intelligence, generally speaking, are fixed at birth, but _he reaches these limits will depend on his environment.A. where B. whether C. that D. why2、Since there are many excellent athletes competing against each other in the game, it is uncertain _ he will succeed in winning the medal.A. that B. what C. whether D. where3、_ are playing a
