fill in gaps
My friend ____ ride a horse.
Can
We can climb a tree.
Can we climb a tree?
Every week, we ____ clean school yard.
have to
He should go to the doctor.
Should he go to the doctor?
If you are late for work every day, you ____ go to sleep earlier.
should
She must carry an umbrella, it is raining cats and dogs!
Must she carry an umbrella?
___ I turn down the music?
May
They may open the door.
May they open the door?
You ___ take pictures at the museum, It's forbidden!
mustn't
My friends have to clean the classroom.
Do my friends have to clean the classroom?