问题描述：
Are those flowers yellow.(加上trees改成选择疑问句)
Are those flowers ( )trees ysllow?
We can spell our names.(改成单数形式)
( ) can spell ( ) ( ).
Are those flowers ( )trees ysllow?
We can spell our names.(改成单数形式)
( ) can spell ( ) ( ).
问题解答：
我来补答展开全文阅读