Fill in the blanks using MUST, MUST NOT, DON'T HAVE TO, SHOULD, SHOULDN'T, MIGHT, CAN, CAN'T.
1 Dad _____ go and see a doctor. His cough is getting.
2 You ______ hear this story. It's very funny.
3 You_____ be 18 to see that film.
4 Henry ____be working today. He never works on Sundays.
5 I'm not sure where my wife is at the moment. She ________be at her dance class.​