On the IraqSyria border，a pack of wild dogs circled American soldiers for food.The leader of the pack was a grayandwhite dog.The soldiers called him Nubs.Nubs was shaking and __1__ able to stand.Marine major Brian Dennis looked closer and saw that there was a knife wound in his chest.
Dennis couldn’t stand seeing the dog __2__.He and his men immediately treated the wound，and gave Nubs oral medicine.Nubs pulled through but was still in pain.The next day，the team had to__3__.Ten days later，Dennis’s unit was back，and so was Nubs.He was still___4__，but the men fed him and played with him.
