Respuesta :
b) Those puppies are so cute.
This puppy is so cute.
c) These students were selected for a scholarship.
This student was selected for a scholarship.
d) The players are using new uniforms today.
The player is using new uniforms today.
e) The children were in the school all morning.
The child was the school all morning.
f) The TV sets are not cheap.
The TV set is not cheap.