Respuesta :

Andy- noun
And- conjunction
Dave- noun
Were- adverb
Preparing- verb
For- preposition
A- article/ adjective
Fun- adjective
Vacation- noun

Answer:

Andy: proper noun

and: conjunction

Dave:  proper noun

were: adverb

preparing: verb

for: preposition

a: article

fun: adjective

vacation: noun

Explanation: