The act of laughing or a happy expression on your face.

a happy look on someone's face

hitting something hard

all the time; happening regularly

living things that grow in the ground, like trees and flowers

things you eat

The organ in your body that pumps blood.

feeling worried or anxious

the way someone thinks or feels

people in general

One hundred years.

Correct or right.

living thing

for sure, without any doubt

The act of using or controlling something.

the star that gives light and heat to the Earth

to stay at a place for some time

big war

easy to understand or do; not complex

what you know about something