You need to write which ones are questions and which ones have an accent on the à
¿
Como re llamas?
Cuantos anos tienes?
Como estas?
à
Estàs
Cuántos
The answer is "an infinitive verb".
Acabar de + infinitive is used to express an action that has ended prior the enunciation of the sentence.
1. A
2.D
3.C
4.C
5.C
6.B
7.A
8.B
9.A
10.B
