5.and that prove the laws of gravity
7. to answer my inquiry
8. those are some of their capabilities
I would say the correct one would be C. To keep track of both online and printed papers.
I would go with the last sentence.
The question is whether those phrases are speaking of the same person :
<span>A. her friend and former room-mate
- this is the same person, if it was two people, it'd be "and her"
B. </span><span>the winner and still champion
-again, the same person, requires singular verb
C.</span><span>The chief and foremost expert
-again, the same person: requires a singular verb and actually has a singular verb, correct answer!
</span>
what sentences ?? i don't see any sentences