Answer:
As my opinion when Read this should be the answer "The speaker is portrayed as a man who loves to dance until he is exhausted."
Track is important to Greg, so he runs several times a week
Insane, he is acting completely mad so insane like he is unable to control what he is doing, he is acting crazy. Hope I can help!
Neither the scrubbing brush nor the sponges DO an adequate job of removing the grime in the bathtub tile.
Plural sponges => do
Answer: does is incorrect; do is correct
Hope this helps! :)