Ответ:

2. You can't organise a big party without havimg a few problems.
3. My mum really enjoy going to weddings.
4. Wearing special clothes makes me feel uncomfortable.
5. You must practise making a speech before the awards ceremony.
6. I'm not very good at singing or dancing.
7. Some people can't stand beeing in a large crowd at a concert.
8. The best thing about going to the festival is seeing the fireworks.