Complete the sentence with the correct option considering what you learned in Lesson 9 - Passive Voice."
Animals ______ to survive in the wild, rather than kept in captivity.
a. ought to have helped
b. should be helped
c. have been helping
The correct option to complete the sentence is:
b. should be helped
So the complete sentence would be: "Animals should be helped to survive in the wild, rather than kept in captivity."