Fill in the blanks with the proper form of the words given in brackets.1. My father works at the university and his dream is to find an answer to one of the world's __________ (cure) illnesses.
If we can __________ (elimination) most of the environmental pollution, we will perhaps be able to save the world.
My watch is not very __________ (rely). It never shows the correct time.
There is no __________ (possible) of my winning the lottery because I don't play.