Answer:
I mean as long as you let them know where your going then yeah you should be allowed to go out alone but of course your mom or dad will have to call you to make sure your safe.
So basically its half and half
To promote the reliability and potential of eco-cars.
I'm not too sure about this. However, I would say that it is Ok to say attached is the assignment. It seems wrong, but to make it seem more natural, maybe try adding extra words like requested.
The host should be told if something is broken
A thank you note is appreciated after the diner
Flowers were sent to the martins from Alice
A formal dress is required
The first toast was offered by the host