用过去进行时造句

『壹』 含when和while的过去进行时造句，要翻译

用when和while造句：
He was very excited when he heard of the news.
听到这个消息时，他很激动。
He was a college student while she studied at a middle school at the time.
那时候他已经是个大学生了专而她还在上中学属。