You can make a donation, adopt a homeless animal, or participate (35)___________ a variety of interesting fundraising events such as the Million Paws Walk or Cupcake Day.
You can make a donation, adopt a homeless animal, or participate (35)___________ a variety of interesting fundraising events such as the Million Paws Walk or Cupcake Day.
A. in
B. on
C. for
D. with