The correct answer for "you" (formal, singular) is a) usted.
- tú (b) is informal, singular.
- ustedes (c) is the plural form of "you" (formal or informal, depending on the region).
- vosotros (d) is the informal plural "you" used mainly in Spain.
a
usted
b
tú
c
ustedes
d
vosotros
1 answer
The correct answer for "you" (formal, singular) is a) usted.