The sentence which uses a participial phrase as an adjective is:
<span>A) </span><span>Working
hard is the key for being successful in life. </span>
A participle is a verb which functions as adjective to
modify a noun or pronouns. It can be present or past particles.
A topic sentence is one that describes the topic
What do you mean? do you mean as in, something people in general do enthusiastically, or me personally?
<span>Fear of being alone. </span>I think you mean monophobic. Mono means one /alone phbic means fear of so it's the fear of being alone.