What are they doing?
They are decorating the Christmas tree.
To produce or design sth that hasn't existed before
to invent
A thing that has been invented
invention
What do you use to hang the clean clothes on?
washing line
What is it?
congratulation
What are they doing?
They are celebrating the New Year.
What do they sweep the floor with?
They sweep the floor with their brooms.
What is she doing?
She is dusting the coffee table with a feather duster
What is it?
sponge
What does she clean the window with?
She cleans the window with the cloth.
What is it?
lampshade
What do detectives do?
They investigate crimes.
To make a place dirty and dangerous
to polute
What is it?
a sack
What does she use to protect her hands?
rubber gloves
What are they doing?
They are collecting rubbish.
What is this?
do the laundry