同义句Peter was very angry.He couldnt say a word
问题描述：
同义句Peter was very angry.He couldnt say a word
答
Peter was so angry that he couldn't say a word （so that 以至于）
或者
Peter was too angry to say a word.（too...to...结构：太...以至于不...）
答
Peter was too angry to say a word.
答
Peter was very angry.He couldnt say a word
=Peter was too angry to say a word.
=Peter was so angry that he couldn't say a word
答
Peter was too angry to say a word.或Peter was so angry that he couldn’t say a word.