Can, should, must

Students ... use dictionaries during the activity if they need help.

You ... wear a seatbelt when you are in a car. It's the law.

Children _______ always ask for permission before using the internet."

"You _______ choose your favorite book from the library."

"You _______ finish your homework before watching TV."

"When it's raining outside, you _______ remember to take an umbrella."

At the park, you _______ pick flowers to take home."

Sarah wants to improve her English. She ... practice every day.

"During the exam, students _______ raise their hands if they have a question."

"After finishing your meal, you _______ clear the table and wash the dishes."

You ... be quiet in the library. People are studying.

"Before crossing the street, you _______ look both ways for oncoming traffic."                                   a) can b) should c) must

"At the museum, visitors _______ speak quietly to avoid disturbing others."

Tom has a bad cough. He ... see a doctor.

She ... travel by herself. She is over 18.

"During recess, students _______ play games with their friends."