The answer is 'a' tree-trees(regular)
All the others are irregular
ox-oxen
tooth-teeth
mouse-mice
well, I guess it depends on what are you talking about.
are you referring to the impact that doing what you like with passion can affect other people's perspectives?
then you can say something like
"therefore, the passion shown by a person can affect or impact their perspectives, and even their motivation to achieve certain goals."
I'm not 100% sure but i believe it's the because it says "that they received THE poster. i'm really sorry if it's wrong
Answer: the simile in this excerpt compares the ugly words with buzzards.
Explanation: A simile is a figure of speech in which two things that we usually not similar, are compared, with the function of create an image and help understand a point. In the given excerpt we can see the comparison between the words Mr. Shiftlet's has in his head, and a group of buzzards, and it creates the image of the ugly words posed in his head as the buzzards on the three.