III. 语法填空 (每小题 1.5 分,共 15 分 ) In the field near my house there __ 1 __ (be) two horses. From a distance, they look the same. But if you get a closer look, you will notice something quite __ 2 __ (interest). Actually, one of the horses is blind. But his owner has chosen not to abandon him. Instead he has made him a safe and comfortable barn __ 3 __ (live) in. If you stand nearby and listen carefully, you will hear the sound of a bell coming from the other horse. It makes the blind horse know __ 4 __ his friend is, so he can follow. As you stand closer and watch the two horses, you'll see that the horse with the bell is always checking on the blind horse and the blind horse will listen for the bell, and then slowly walk to where the other horse is so that he will not go __ 5 __ the wrong direction. When __ 6 __ horse with the bell returns to the barn each evening, he will stop occasionally to look back, __ 7 __ (make) sure that the blind friend isn't too far behind to hear the bell. Life does not throw us away just because we are __ 8 __ (able), or because we have problems or __ 9 __ (challenge). Sometimes we are the blind horse, being guided by the ringing bell of our companions. At other times we are just the guide horse, helping __ 10 __ (other) to find their way.