Respuesta :
Answer: “before she planned her trip”
Explanation:
The independent clause can stand alone as a simple sentence. In this case, the independent clause would be “Lena Luthor researched New York City's main attractions”. The dependent clause would be “before she planned her trip” because it cannot stand alone.
Answer:
Lena Luthor researched New York City's main attractions before she
planned her trip.
Explanation:
Dependent clauses typically begin with an adverb.