[2010·河南开封三模] is hard is to do good all one's life and never do anything bad. A. He B. It C. That D. What 3D考查主语从句的连接词.此处what在主语从句中作主语.句意:难的是一个人一辈子做好事并且从不做坏事. 查看更多

 

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