Answer:
un
Explanation:
maestro is masculine and singular.
D: ¿Te gusta vender los collares?
Gustar conjugated is still one word so it cannot be "gust a"
A verb ("vender") is singular so you cannot use "gustan"
A verb after gustar has to be infinitive
so the correct answer is ¿Te gusta vender los collares?
The answer is number 3 “ Si yo perdi mi mochila en la cafeteria”
The answer is C. Yo soy abogada
