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