Fill in the article the where necessary: is the longest river in moldova b)plenty of our students like to travel on their summer holidays iether to mediterranean sea or to carpathians c)lots of people in africa suffer from different diseases . great britain consists of and

A) The Nistru is the longest river in  Moldova.
b) Plenty of our students like to travel on their summer holidays either to the Mediterranean Sea or to the Carpathians. 
c) Lots of people in  Africa suffer from different diseases .
d) Great Britain consists of  England, Scotland and Wales.