which sentence contains parallel structure?○ mekhi was finally finished with his chemistry homework.○ mekhi…

which sentence contains parallel structure?○ mekhi was finally finished with his chemistry homework.○ mekhi finished his chemistry homework before basketball practice.○ mekhi spent three hours finishing his chemistry homework.○ mekhi finished his chemistry homework and then finished his essay.
Answer
Answer:
Mekhi finished his chemistry homework and then finished his essay.