Fill in the Blanks ARTICULOS DEFINIDOS Y INDEFINIDOSOnline version aprender jugando by Rony Marroquin 1 a the an an an The an playing dog and the cat are together . The playground looks great . A car , house , a book , a desk , a computer . An envelope , apple , onion , island , umbrella The Popocatepetl Volcano . The Doctor Steve Rogers is third from left to right .