问题描述： An elephant is bigger than a tiger(改为同义句,并说明知识点, 1个回答 分类：英语 2014-12-01 问题解答： 我来补答 An elephant is bigger than a tigerA tiger is not as/so big as an elephant.A tiger is smaller than an elephant.也行.比较级用法. 展开全文阅读
