<span>The writing is choppy.
I believe this is the answer. If the writing was connected, sentences would already be combined. Varied writing and lengthy writing usually has nothing to do with sentence combination.</span>
The function of the infinitive phrase in the sentence <em>To win a marathon is my goal </em>is object of the verb.
It is definitely an object, and it would follow a verb if it were a normal ordering of words in the sentence (My goal is to win a marathon), and since it is not preceded by a preposition, it cannot be object of the preposition, but of a verb.
It would feel like you could eat every candybar in the world and get a very high sugar rush
Answer:
I think the best answer would be he died of an unknown illness because Mr. Summers is referring to a man that is Watson. Normally people refer "head" of the family as the man. And since his mother is assumed she's alone, she has a man to do the work. I don't think I explained this properly but I hope it helps! :)