问题描述: How many toilets___in the building?A.there are B.arethere C.are they该选哪个选项. 1个回答 分类:英语 2014-11-09 问题解答: 我来补答 选B 一般疑问句要主谓换一下顺序有问题追问我哦 展开全文阅读