The word that will not be able to complete the sentence is...
bailar
1) Necesito bailar a mi amigo= I need to dance to my friend ( wrong)
2) Necesito ayudar a mi amigo= I need to help my friend ( right)
3) Necesito preguntar a mi amigo= I need to ask my friend ( right)
4) Necesito visitar a mi amigo= I need to visit my friend ( right)
