4 Rewrite the following in reported speech.
1. ''I'm really stressed out! I've had three sleepless nights thinking about my exam.'
2. ''I can't concentrate! It's too noisy in here.'
3. ''She was very upset at first but she's fine now.'
4. ''I don't think taking risks too often is a good idea.'
5. ''He'll take a cooking class before he goes to college.'
6. ''I really wish I could make informed decisions!'