2. Fill in the gaps with must or mustn't.

2. Fill in the gaps with must or mustn't.

1. You mustn't tell lies. It is wrong.
2. I must go to the bank this morning. I need money.
3. You must wear a helmet when riding a motorcycle.
4. You mustn't forget to pay the bills.

Ответ: mustn't; must; must; mustn't.