Direction: In the question below, there are two statements. Each statement consists of two blanks. You have to choose the option which provides the correct set of words that fit both the blanks in both the statements appropriately and in the same order making them meaningful and grammatically correct. 

There is a growing ________ about the best methods for ________ carbon emissions.

I am particularly pleased by the ________ on ________ the voting age and the age of candidacy.