Question

用分词的形式改写句子

Because Tom was surprised at what had happened, Tom didn’t know what to do．

_____________________

Answer 1

答案：
解析：

答案：Surprised at what had happened, Tom didn’t know what to do． 　　解析：主句的主语和从句的主语相同，原因状语从句Because Tom was surprised at what had happened是被动语态，变为过去分词作状语。