Piece of cake
Normal stuff
Kinda hard
Tough cookies
Scholar
100
I brush my ___ 3 times a day
teeth
100
Riverdale is my favorite Netflix ____
(Is not show)
Series
100
During high school you are teenagers, but in elementary you were ____
children
100
Last night was crazy! We've got 10 orders and we only had 5 ____ in stock!
salmon
100
____ (Information) is composed by individual parts, also known as ___
Data, datum
200
I love to eat sea food! I eat many ____ a week
fish
200
Colombian ___ are famous for being nice.
people
200
When I checked her head, she was full with ____
(but many of these...)
lice
200
Neolitic painting was made by _____ (People from the caves)
cavemen
200
Mushrooms belong to the ___ kindgom
fungi
300
1.8 meters are 6 ___ in the American metric system
feet
300
World governments are promoting the use of bicycles, since they are a non-contaminant ____ of transportation
means
300
Parcheesi is better if you play it with a couple of dice. with just one ___, the game will be slower for sure.
die
300
Lionesses are really protective with their _____ (not babies or cubs, the other word we just saw...)
offspring
300
What is inside your lower torso in known as viscera. The liver is a ___ found in it. 
viscus
400
____ are like ducks but larger
Geese
400
Star Wars ____ are futuristic and cool-looking!
spacecraft
400
Back in the day, crimes used to be punished with the ___
Gallows
400
Behold my ____ collection
mice
400
Ancient Greeks used to call an "____" a robot
automaton
500
International ____ day is held on March 8th in a yearly basis, to celebrate the efforts that some female warriors did to earn their fair rights.
women's
500
when I'm unable to sleep, I count ____ until I fall asleep.
sheep
500
Donkeys, which belong to the equine ____, are famous for being strong and stubborn
species
500
(In American English we would say "coins and coin"
pence, penny
500
My ____ (opinion) disagrees with the world ____ (condition) right now.
criterion - status