Fill in the Blanks FILL INOnline version Completa las frases utilizando el verbo to be by pepito grillo 1 it I am is sister is am am is my is I a boy . I ten years old . I very tall . I have got a brother , his name Peter . I have got a sister too , her name Mona . My best friend Paul , he very good at tennis . My sister and are in Cardif and we like to spend the hole weekend . My is digging a little to build a castle and am jumping the waves . is a really nice place to stay on holidays .