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 listen to the audio either before, during, or after you do the exercise.
It took us about 4, 3 to 4, to walk all the way this mountain, andour was getting short. It's hard to get your because it's all , so you fall down, you're for breath, you walkanother 20 meters, you fall down, you for breath more and more.Finally, we to the top, and as it turned , it was a really day and we couldn't see anything.