下面两个含有情态动词could的句子,一个是肯定,一个是否定,但一对一错,这是为什么?误:He studied hard, so he could pass the exam. 他学习很努力,所以通过了考试。正:He didn’t study hard, so he couldn’t pass the exam. 他学习不努力,所...
Jilin province possesses another three Oil Shale Industrial Parks as same scale as that of Wangqing Oil Shale Industrial Park.在书写这个句子的时候that of应该去掉吗?请老师解答。