A well -written paragraph without a stated topic sentence has no main idea
<span>The option that best describes the purpose of "Justin Lebo" is to entertain readers with an inspirational story. Justin Lebo was a person who liked to fix bikes and make new ones out of old parts. What he also liked to do is help those in need who did not have nearly as much as he did. So he would make new bikes and give them to other children who would very much enjoy to ride them and be happy for a change.It is very inspirational and tells us that anyone can do even a small thing to help someone else.</span>
B) The development of the first home computer.
Answer:
it's C because it has the commas placed at correct areas.
the rest of the sentences can be corrected below :-
a. Spider man, who is known for being able to shoot webs from his wrists, is my favourite hero.
b. The children, who were usually happy, had become upset.
d. Peter, who is my best friend, plays the guitar and the piano. hope it helps...