1。在市长的帮助下，我们最终获准接触这起交通事故的受害者
2. 鲍勃和弗兰克一直不和，令他们尴尬的是，他们将到同一个部门工作。
3。小时侯，我总告诉妹妹说狼来了，把她下的直哭。
4。做科学研究不容易，不仅需要时间，经历和经费，还需要具有自制力和奉献精神。
參考答案:1. With the help of the mayor, we were finally permited to visit the victims of the traffic accident.
2. The relations between Bob and Frank has been odd. To their embarrassment, they will be working in the same department.
3. When i was a kid, i often told my young sister that a wolf was coming and she was scared to tears.
4. It is not easy to do scientific researches. It requires not only our time, experience and outlay, but also self-control and devotion.
