Your child isn't answering the phone.
Your wife has a terrible headache
Your friends eat too much fastfood
When we were at school, we.......wear a uniform
had to
You ......wear your seatbelt during the whole of the fight.
don't have to
You ..... to be a member of the library before you can borrow books.
have to be
The teacher says I ..... leave the room
can
