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