问题描述: do you think () is good to do some reading?A:it B:that C:this答案是哪个?为什 1个回答 分类:英语 2014-12-08 问题解答: 我来补答 A it it 作为形式主语的,并无实际语义,只是为满足语法上的需要,避免句子头重脚轻,它代替的是后面的 to do some reading.相当于:To do some reading is good.祝开心! 展开全文阅读