Answer:
The right answer is, A. Mi amigos es.
* Mi amigo es aburrido.
Explanation:
Identifying the narrator, gender, number and time indicated by a sentence is the first step that must be taken. This is very important to be able to logically conjugate the verbs, and that these have concordance with what is being expressed.
Choose whichever one you like:
1. En el areopuerto: estan los aviones.
2. En el areopuerto: hay mucha gente.
3. En el areopuerto: se tardan mucho.
4. En el areopuerto: estaré yo mañana.
Hope this helps you