<正>要写出好的作文,不是"临时抱佛脚"所能做到的,需要循序渐进和长期的训练。1.用介词短语代替一个简单句。例如:Mary was seven.She began to go to school.改写为:Mary began to go to school at the age of seven.2.用固定短语或句型代替一个简单句。例如: