He _____ do all the homework before next class.
MUST
She _____ stay outside in the rain! She can get sick!
MUST NOT
He _____ exercise if he has sore muscles.
MUST NOT
I ______ run in the hallway or I will fall!
MUST NOT
They _____ study after 12pm. They need to go to bed!
MUST NOT
They _____ go to the dentist if they have a toothache.
MUST
I _____ take some medicine. I'm not feeling well.
MUST
I _____ eat too much. I don't want to have a stomachache.
MUST NOT
She _____ cover her mouth when coughing.
MUST
I ____ study before a test to pass.
MUST
I _____ stretch before exercising so I don't have a sore neck.
MUST