Answer:
Mittens:Plural
Race:Singular
Bike:Singular
Parks:Plural
Bags:Plural
Step-by-step explanation:
Mittens is plural because of the s at the end.
Race is singular because there is no s at the end.
Bike is singular because there is no s at the end
Parks is plural because there is an s at the end.
Bags is plural because there is an s at the end.