The farmers are in bad need of rain,but a (an)          large amount of rainfall will cause Floods.

The incomes of skilled workers went up. ______, unskilled workers saw their earnings fall.

At Sam’s birthday party he had many guests, who were ________friends of his.

It is generally believed that a successful Olympic Games            relies on well-performed IT services.

A good article should not only be rich in the use of language, but also it ought to be ________ organized.