Hello ;)!
The answer according to your attached pdf is uploaded here in my answer as image. Please check.
Answer:
useless, in vain maybe
Explanation:
Morose means being sullen or ill tempered, so a morose person might think that all attempts are useless, probably in an ill tempered manner.
Answer:
pretty sure the answer is d
Explanation:
I would go with option number [2]
Does this mean something bullies are hoping to accomplish but will never get by doing so?