Answer:
When cases are super high: remote on Zoom
When cases are decreasing: Extreme social distancing with masks and half the school going one week and the other half remote. Then, the two groups would switch the next week, so the in-person group would go remote and the remote group would go in person.
<span>come between so as to prevent or alter a result or course of events</span>
Your saving account is the least risk especially for an investment
I believe b, because then is considered a transition word