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