有没有关于宾语从句、直接引语和间接引语之间互相转换、状语从句的练习及答案

1.Mr Brown said,“ Don’t make such a mistake again,Mary.”（改为间接引语）Mr Brown told Mary____ ____ _____such a mistake again.not to make.2.He didn't know how they should save the file.(改为复合句...