问题描述： there are three birds in the sky 画线部分提问画线部分 in the sky 1个回答 分类：英语 2014-09-24 问题解答： 我来补答 What are there in the desk?对in the desk提问:Where are the books?对three 提问:How many books are there in the desk?画线部分在 展开全文阅读
