In a modern city there has been built many skyscr

In recent years there has been a ______ increase in the cost of living; many families have

Being a good parent is harder now than it has ever been before. In pressurised modern live

There are two spare rooms in the building, neither of______has been provided with modern f

There are so many people living in the city;it is

There has been a change in doctors’ understanding

Is there something as truth? For a good many centuries he search for truth has been【B1】