“He would at once become unmanageable, and of no value to his master.”
And
“It would make him discontented and unhappy.”
It looks good.
You did a nice job being descriptive and your grammar looks fine.
<span>The sentence that would stand out the most would be the first sentence. The first sentence is the one that most people read before going on to scan the rest of the paragraph.</span>
Answer:
that's logic if you are learning English then it's eat because the subject "I" is referring to one or single so the verb needs to be singular.
Explanation: