Jack was walking towards me, but my new friends raised their eyebrows and piled their backpacks on the table so that there was no space left for Jack to sit down. This awkward situation froze the air. I     1     (显得很冷漠) and lowered my head when Jack looked at me. “     2     (我真丢脸)！” I thought later，“I should have spoken up for him when he was driven away.” With strong feelings of guilt, I realized I     3     (罪魁祸首). Therefore, I went to him and made an apology. To my surprise, Jack forgave me at once and smiled.

With a heavy heart, Ada knew she had to     1     (立即营救Roy). She wrapped the shirt around Roy’s leg and straightened his leg with a long stick. Roy cried out in pain and       2     (抓住了Ada的手臂). “I know it hurts,” Ada said softly. “But this will hold it still until you are rescued by the helicopter.” When they arrived at the hospital safely, Roy said, “Luckily，you kept calm in an emergency, otherwise I would have suffered a more serious injury.     3     (你是多么值得信赖的朋友啊)!”