问题描述: What____(ism are)they doing now?They're___(read,reading)books.选词填空 1个回答 分类:英语 2014-10-20 问题解答: 我来补答 are reading 【希望帮助到你,若有疑问,可以追问~~~祝你学习进步,更上一层楼!(*^__^*)】 展开全文阅读