怎么写我的妹妹15岁一段,英语作文? 1、写一篇关于你妹妹的作文，你可以首先从她的相貌，其次从性格，最后再从你和它的一些相处日常这几个方面开始展开。2、so she can practice it all the day. She once said that she is happy when playing piano. Until...