Respuesta :
Hey there!
There's a special rule in Spanish when a noun ends with a z. When you make it plural, it does not end with a traditional -os or -as. It ends with -ces. For example, pez turns to peces, and so on.
Therefore, your answer would be "Los lapices".
Hope this helps!
I don’t know where the blank is but it is lapices because a -z gets changed to -ces