问题描述： let's go to have a rest since all the work __(do) 1个回答 分类：英语 2014-11-25 问题解答： 我来补答 have done 再答： has been done 再答： 刚才没都清再问： the project they're working on__many teenage problem that they care aboutA covers Bincluding C include D covering 再答： b 再答： 包含 展开全文阅读
