用方框中所给词的适当形式填空。

quarter  industry  recent  important  India

Things got so bad _______ that he had decided to get help.
________ regard cows and bulls as the spirit.
More and more _______ products are sold all over the world.
One _______of the workers in this factory come from the countryside.
The _______ of washing one's hands before a meal is that it can prevent illness.