Es using must have to or mustn't.
Complete the dialogues using must.
1. A: Can I leave now?
B: No, you cant You
do the washing-up
first
A:Oh ,Ok. Could l take some money from Jenny's bag? She's left it here .
B: Of course not. You
take other people's
money without asking them first.
2. A: I'm sorry, sir, but you
take food into the
theatre .You
eat your sandwich here.
B: OK. Jane, I
stay here to finish my
sandwich. You can go in without me .
3. You
do the washing-up. I'll do it later.