Fix any punctuation or capitalization errors below. Click "Submit Answer" if there
are none.
Some soccer scouts had been following Milhouse since
high school: Others saw him for the first time on TV.

It's a tough decision on whether or not to change the colon to a semicolon.  I think it's technically correct as is since the two clauses directly correlate, but either way, you would make the "o" on "others" lower case.

Some soccer scouts had been following Milhouse since

high school: others saw him for the first time on TV.

c) in the address bar

explanation:

this is the only place where url's may be found or entered in to successfully get to a web page.

bc

explanation:

because it crosses through the circle twice