Respuesta :
There needs to be a comma between chemistry and geometry. “Mariana hopes to study chemistry, geometry, and italian.”
When you go to the supermarket, please buy eggs, milk, pears, and carrots.
✔ no revision needed
I plan to go skiing with my sisters, Charles and Boris.
✔ add a comma after Charles
Mariana hopes to study chemistry geometry, and Italian.
✔ add a comma after chemistry