Ex 3:
1.Is there a bus station in your street?
2.Are there any banks in your town?
3.Is there an underground station in your street?
4.is there a library in your school?
5.Are there any newsagents in your street?
Ex 4:
1)Yes there is.
2)Yes there are.
3)Yes there is.
4)Yes there is.
5)No there are not.
Succese!!!