Question

用英语复述一则新闻，并且讲述新闻发生时你在做什么？（要用上when或while）

Answer 1

用when的句子:When the earthquake took place, on May 12th,2008, I was having a class.
用while的句子:
The earthquake took place on May 12th,2008 while I washaving a class.
总结:上述两句话意思基本相同，但句式结构稍异。题主要重点把握when和while的用法区别。