C fill in the blanks with must – mustn’t / have to – don’t have to. I

4) The boss is angry with me. -------------------------------. ( be careful )

1. 
   5) She has a project. She ------------------------------.( finish – in time )
   
2. 
   6) We ----------------------------------------. ( obey-the rules )
   

7) My mother doesn’t let me go out. So,----------------------------------------. I
( stay-at home )
8) I have a car. So, --------------------------------. I ( buy-another one )
9) I have some guests today. So ---------------------------------------.
( do housework and cook )
10) You --------------------------------. ( bully on - friends )
11) If you want to lose weight you --------------------------------.
( do exercise )