152. It is time the authorities concerned took proper steps to solve the traffic problems.該是有關當局采取適當的措施來解決交通問題的時候了。

　　153. Those who violate traffic regulations should be punished.違反交通規則的人應該受到處罰。

　　154. There is no one but longs to go to college.人們都希望上大學。

　　155. Since the examination is around the corner， I am compelled to give up doing sports.既然考試迫在眉睫，我不得不放棄作運動。

　　156. It is conc50e that knowledge plays an important role in our life.可想而知，知識在我們的一生中扮演一個重要的角色。

　　157. Summer is sultry. Thats the reason why I dont like it.夏天很悶熱，這就是我不喜歡它的原因。

　　158. The progress of the society is based on harmony.社會的進步是以和諧為基礎的。

　　159. We should bring home to people th50ue of working hard.我們應該讓人們知道努力的價值。

　　160. Taking exercise is closely related to health.作運動與健康息息相關。