they hope to ____ a cure for the disease they visit a retirement home and This new vaccine research brings hope for treating, preventing, and eliminating Alzheimer’s disease. In the meantime, several lifestyle changes can make a difference in reducing the risk of dementia. The Parsemus Foundation is also supporting research on the impact of fish oil, testosterone, and lithium on Alzheimer’s disease
it has been a long time since they met The length of time is shown by "for" or "since", e.g. I was studying for one hour or I have been studying for one hour length of time = one hour. A sentence like I was studying one hour ago shows WHEN you studied, but it doesn't tell us the length of time i.e. HOW LONG
they had a boy that yesterday @ayandandinga To sound completely natural and clear, say it like this: I wrote to them yesterday, but they haven’t responded yet
