You (- obligation) go to the post office
don't have to
This is a ______ bottle
glass
she ( + obligation) wear a waterproof coat
has to
This is a _____ T-shirt.
Cotton
He (- obligation) wear rubber boots
doesn't have to
I ( + obligation) go to my house at 8 p.m
have to
This is a ______ ______.
leather belt
This is a _____ _______
Wool jumper
These are ____ boots
rubber
This is a ______ table
wooden
They (- obligation) go to the school
don't have to
You ( + obligation) wear a school uniform
have to
He (- obligation) learn english
doesn't have to
This is a ______ scarf.
silk scarf
She ( + obligation) buy a present
has to