You should wear a warm coat today as it's cold outside.（今天外面冷，你应该穿一件暖和的外套。）

We should arrive at the airport two hours before the flight.（我们应该在航班起飞前两小时到达机场。）

Students should listen carefully in class to learn better.（学生们应该在课堂上认真听讲以便更好地学习。）

She should exercise regularly to keep fit.（她应该经常锻炼来保持健康。）

They should finish their homework before watching TV.（他们应该在看电视之前完成作业。）

You should apologize to him if you made a mistake.（如果你犯了错，就应该向他道歉。）

We should protect the environment for our future generations.（我们应该为了子孙后代保护环境。）

People should be kind to each other.（人们应该彼此友善。）

He should save some money for emergencies.（他应该存些钱以备不时之需。）

The children should go to bed early.（孩子们应该早点睡觉。）

You should read more books to expand your knowledge.（你应该多读些书来扩充你的知识。）

We should respect the elderly.（我们应该尊重老人。）

She should try different ways to solve the problem.（她应该尝试不同的方法来解决这个问题。）

They should clean up their rooms by themselves.（他们应该自己打扫房间。）

You should take an umbrella with you in case it rains.（你应该带把伞以防下雨。）

We should make full use of our time.（我们应该充分利用我们的时间。）

He should visit his parents more often.（他应该更经常地看望他的父母。）

The workers should follow the safety rules at work.（工人们在工作时应该遵守安全规则。）

You should be confident in yourself when taking an exam.（考试时你应该对自己有信心。）

We should plan our trip in advance to avoid any inconvenience.（我们应该提前规划我们的旅行以避免任何不便。）