Read and choose the letter of the correct answer.
… you show me the way to the railway station, please?
May
Must
Could
Should
Paul is preparing a project. He … not go for a walk tonight.
must
has to
could
might
We … not be late for school.
may
can
Your parents are very busy so you … help them about the house.
can’t
couldn’t
should
My mother says that I … wash my hands before eating.
have to
Nelly … paint and draw very well.