Index=> complete la palabra Gap-fill exercise Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues! Los pollitos dicen pio,pio, pio cuando tienen [?] cuando tienen frio, la [?] busca el maiz y el trigo Check Hint OK Index=>