c .es would be my answer , but b also applies if you are talking to him directly and saying it as a compliment , c would be if you are just talking about him to someone else
1 c
2 a
3 b
4 d
5 d
6 b
7a
8b
9 c
10 c
11 d
12 d
13b
14 a
15 a
16 d
17 b
18 b
19 d
20 b
1. corren (ellos form)
2. abre (Ud. form)
La Moneda official de los estados unidos es el dólar
