1. Costs have been reduced(reduce) by 20% over the past year.  

2. Victims are left with emotional(emotion) problems that can last for life.

3. The weather is a bit unusual (usual) these days. It is too hot.  

4. In order to take (take) that job,  you must have left another job.  

5. Barometers are used for measuring air pressures.  

6. When it comes to improving (improve) the education of children,  parents should know reasonable ways.

7. A research is being done(done) to find out the cure for this disease at present.  

8. The people working(work) with me treat me like their friend.