Ordenar Palabras What's this? It's a pen.Versión en línea Grammar. School things. por Natalia 1 a It's pen . . 2 What's this ? ? 3 a book It is . . 4 it book a Is ? ? 5 No , a it book not is . , . 6 pencil it a Is ? ? 7 No , it's a pencil not . , . 8 this is What ? ? 9 ruler It's a . . 10 my It's photo . .