What is the answer for the question

The little boy was implacable when his parents left him alone with the babysitter.
When the critic reviewed the painting of the rainforest, he could not hep but notice the artist's ardor for the outdoors.
In an effort to assuage angry customers, the store issues everyone a full refund.
Do not become so harried with work, you will forget to enjoy the important things in life like family.
As aloof creatures, most cats prefer to be alone. 

I know that you don't need these any more but here are some that you could use in the future!