He had an accident while he _______ crossing the road.
was
Nurses __________ to wear uniforms for work.
have
Deserts are ________ hottest places in the world.
the
You ________ eat a lot of fruit and vegetables.
should
My teacher ________ given me a nice gift.
has
Aisha ________ already had her lunch.
has
_______ did you do yesterday?
What
Have you cleaned your room _________?
yet