I. Usually fund-raising events and charity auctions raise a large amount of money as people from all sections of the society get an opportunity to _________ for a cause.
II. Today, a person needs to _________ very hard for surviving in the corporate race.

Options

A. work
B. contribute
C. effort
D. donate

Answer

A

Explanation

Work
In first, it will mean make an effort or labour, whereas in the second in implies exerting or grinding one self.