posted by Jerald .
Read the sentenced Add commas when they are needed.
I don't know how to skate but I can learn.
Comma after skate
Mom and Dad fixed dinner and my sister and I washed the dishes.
Comma after dinner
I wanted to go yet something held me back.
Comma after go
I had a sandwich milk and an apple for lunch.
Comma after sandwich and after milk
The menu offered macaroni and cheese salad and spaghetti with meatballs.
Comma after cheese and salad
All are right.