Ответ:
1. Mary's angry with John because he took her car without asking.
2. When anyone criticises him, he becomes moody and loses his temper.
3. Tanya was a mean teenager who spent a lot of time alone.
4. When I haven't had enough sleep, I feel grumpy and unsociable in the morning.
5. The students were very organised and finished their project on time.
6. Daniel looked sad and worried as I told him I'd lost my job.
7. It was very rude of Max to speak like that to his best friend.
8. She can be aggressive at times and picks on her younger brother.
9. Harry felt embarrassed about singing in front of the whole class.
10. Katy is a fun-loving girl who loves going to parties.