The long pencils are my sister's.(改为一般疑问句）怎么改?
问题描述：
The long pencils are my sister's.(改为一般疑问句）怎么改?
答
Are the long pencils my sister's?
The long pencils are my sister's.(改为一般疑问句）怎么改?
Are the long pencils my sister's?