It is a key a key提问
It is a key a key提问
It's a key.对a key提问
this is a key.(对a key进行提问)
it is a yellow key对划线部分提问
This is a white key 的提问
This is a key in Engelish.(对划线部分提问)a key是划线句
This is a key.a key画横线 对划线部分提问
There is a key in the sand.划a key提问
It 's a (key).对括号部分提问
the teather wonders _____ A.whose key is it B.whose key it i
this is a White key (就划线部分提问)
This is a key.(对划线部分提问)