He either talked too much or said nothing at all- correct
nothing troubled her except...-incorrect
whenever the dogs in the kennel appeared...- correct
i have often noticed...- correct
sometimes students who have attended...- correct
I hope this helps these sentences were rather confusing to me to be honest.
Answer:
table of contents
Explanation:
The table of contents provides the locations of topics within textbooks, and occasionally describes each section and lesson associated with it.
An example would be “If he wasn’t so annoying maybe than I would do the task!”