More fun with commas

In the following sentences, see if you can decide where commas are missing—if they’re missing at all!

1. Ovovegetarians may include vegetables and eggs in their daily diet but not meat or dairy products.
2. I’m afraid sir that your luggage is in Buenos Aires.
3. Daniella was in favour of and Sergio opposed to serving tiramisu at the party.
4. Aaron should have taken the lunch that was in the fridge instead of the one on the counter.
5. My niece Michela who is in college now will be turning 21 this December.
6. Greens such as mint and parsley are high in iron.
7. Coralie you didn’t add salt to the cake instead of sugar did you?