Put in must/had to / mustn't/ needn't.

2 It's a fantastic film. You must see it.
3 We've got enough food, so we
go shopping
4 We didn't have any food yesterday, so we
go shopping.
5 I want to know what happened. You
6 You
tell Sue what happened. I don't want her to know.
17 I
hurry or I'll be late
8 'Why were you so late? "I.
wait half an hour for a bus.
9 We
decide now. We can decide later. ​.