After two years’ research, we now have a ____ better understanding of the disease.
It is important to know about the cultural differences that cause problems.
If we earlier, we couldn’t be waiting here in a queue.
Our country should set up more national parks animals can live freely.
— Can the project be finished as planned? — Sure. it completed in time, we’ll work two more hours a day.
Don’t litter in the street in Singapore, you could be arrested.