Fill in the blank with the most appropriate word.
We must ____ help to the homeless and physically disabled people.

Options

A. contribute
B. donate
C. render
D. exert

Explanation

(c)Render: provide or give (a service, help, etc.).
(a) Contribute: give (something, especially money) in order to help achieve or provide something.
(b) Donate: give (money or goods) for a good c ause, for example to a charity.
(d) Exert: apply or bring to bear (a force, influence, or quality). "the moon exerts a force on the Earth"