The answer is spreadsheet. I just did this lesson and I got all of the answers right so I know it's correct.
Answer:
Some of the benefits of sharing a workbook include:
A. Shared information between students (ie: Mary writes a note about (blank) in the workbook and John reads said note and receives addition information about (blank)).
B. ^adding onto this, discussion on interpretations of a passage (ie: John thinks (blank) means this and Mary thinks (blank) means other thing, through notes they can discuss the meaning of the text.
Hope this helps. =)
Answer: Isolation, Depression, Humiliation.
I hope this helps you out! ☺