No person _______ carry a mobile phone into the examination room during the national college Entrance Examinations. 

--- Can we leave the classroom now?-- No, you ______. You ______ to leave until the bell rings.

---Do you know why Anna hasn’t come to school today? ---I’m not sure. She _______ be ill.

  I ________ hear the news very clearly since the noise outside is so loud.

If you won’t do as I told you, you____ not go to the party.