Question

by, law, your headlights must be turned on from a half hour ______ sunset until a half hour ______ sunrise. options: they must be on at all times. after, before before, after before, before

Explanation:

To solve this, we analyze the legal driving rule about headlights. Headlights are needed when it's getting dark (after sunset) and before it's fully light (before sunrise). So the correct prepositions are "after" (sunset) and "before" (sunrise).

Answer:

B. after, before