It’s bad _______ you to eat too much __________ you’re too fat.
"We will learn English words this year," the teacher said to the students.
"There is _________ in today's newspaper, so you needn't read it," the father says to his son.
---Hello, may I speak to Millie, please? ---________.
---_______do you go to the theatre, Li Lei? ---Once a month.
"Take this medicine(吃药) and it will make you better soon," the nurse says to the sick boy.