阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

    Two men, Jim and John, were walking their dogs when they(walk) by a restaurant. "Let's go in and get something(eat), "Jim suggested.

    "We can't," John responded(回答). "Don't you seesign? It says" 'No pets allowed',(luck), I don't think they will let us enter the restaurant." "Ah yes, that sign," Jim said. "Don't worryit. I have a plan. Just follow me." Jim took out a par of dark(sunglass) and put them on. He then walked up to the door. As tried(go) into the restaurant, a doorman stopped him and said, "I'm sorry sir, we do not allow pets in this restaurant."

     "Can't you see" Jim said. "I am not able(see)! These are seeing-eye dogs. I can't go anywhere without(they). Can I go in now？"