Fix the sentences we count sheep to sleep don't you?

Chapter 7 claims that our gender is one of our social communities. provide one instance from your personal life where you agree with the research stated, and one instance from your personal life in which you disagree with the research stated. provide an example about you/your gender, or you may provide an example about another person/your opposite gender.

During sensitive periods of brain development like cell migration the brain is vulnerable to effects like: a. malnutrition b. infection c. toxins /drug use d. b and c e. all of the above

Which sentence uses the correct form of the verb? the house don't have a basement. the house doesn't have a basement. the house do have a basement.