英语四级作文大部分什么题型【一】
主题句：Without hesitation, I dialed "120". It wasn't long before an ambulance arrived.
扩展句：1、One roommate brought a blanket for him.
2、Another supported him in the ambulance.
3、Our teacher insisted on giving him some money.
英语四级作文大部分什么题型【二】
开篇句：About _____ O'clock one evening in _______, _____.
扩展句：________. (展开描述一下事件
