4 *** Complete the dialogues. Use mustn't, have
to or don't have to and the correct verb.
1 A What time are we meeting today?
B At 12 o'clock, but I............
the bathroom before I go out - it's my turn.
A Really? It's Sunday............
chores on a Sunday, it's my free day.
2 A Are you ready to go?
B Not yet. I............
the dog
for a quick walk as we'll be out all day.
3 A What 's the worst rule at your school?
B That's easy. We..............
at
school later than 7.30 a.m. I hate early mornings!
4 A It's my dad's birthday tomorrow.
I................
him a present.
B OK. Let's go shopping​