Dinosaurs were fiercer than tigers（句意不变）
问题描述：
Dinosaurs were fiercer than tigers（句意不变）
Tigers were not________fierce_________dinosaurs.
After he left school,he went to the USA for further study.（句意不变）
After_______ ________,he went to the USA for further study,
答
as, as
leaving school要理由as xxx as xxx，像什么什么一样，达到什么什么的水准。后一空就是转化为动名词。 理由……做多了你就一眼知道填什么……我知道填什么，但是老师要求要写理由的。。。所以