...e 和having been done 和done这三个的区别是否是,He talked about the country's ephemeral unity being shattered by the defeat.这里现在分词被动做定语是不是表示正在被打破的?是否也能用shattered表示已经被打破的状态?是否也能用having been shattere...
请曹教老师,A slow Internet link speed is really bothering.1. 为何要使用冠词a?Research shows that jogging can bring many health benefits. 2.Research 前是否需要定冠词the?为什么?谢谢曹老师。