3 Complete the sentences with must or mustn't.
1 You ..... must......
must...... see the sleep project they
uploaded on the school website. It's great!
2 1.... forget to take my project to school tomorrow.
I forgot it yesterday and today!
3 What.... parents do to make sure their children are
getting enough sleep?
4 You.... come to my party this weekend. I really
want you there!​