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