Answer:
B, Pensar.
Necesito <em>pensar</em> qué haré mañana.
- <em>Pensar means </em><em>think</em><em>.</em>
<em>"</em>Necesito <em>pensar</em> qué haré mañana." means "I need to think about what to do tomorrow.
<em>I hope this helped at all.</em>
"miercoles" would be the correct answer meaning Wednesday.
