My daughter is 2 year and 8 months too. I sent her to daycare last Monday.
First day :she felt interested, so she didn't cry, but when she got home she was in a bad mood too, no eating, no smiling.
Second day :she cried but not loud,
Third day: She cried very loudly and cried for about an hour.
Fourth and Fifth day: She is getting a little bit better, only cried for about 10-15 minutes. And now she has some regular friends to play with in her class.
The teacher told me she didn't eat the lunch, she doesn't like it. And the food in daycare is really not very good for Chinese Children, I think, but they will get usded to.
What i don't understand here is they don't have water in the classroom. In China there is water in the classroom and kids can drink water themselves if they want, I was told by my friend who used to be a daycare teacher in China. For some reason I think some good daycares in China are better than daycares here. For example, Food and Education.