MY favorite fruit is grapes And my favorite vegetables is carrot I want a chocolate
>> My favorite fruit is grape/are grapes, my favorite vegetable is carrot. I also like chocolate.

EXPLANATION:
Please take note of the subject verb-agreement.

If the subject is plural the verb should also be in it's plural form.
Ex.
They are going to Jeju Island tomorrow.

If the subject is singular, the verb should also be in singular form.
Ex.
She is very pretty.

COMMENT:
Hi, Elsa! Thank youf or sending me your homework.
Please take note of teachers correction and avoid them next time. See you tomorrow and have a great day Elsa!

Keep it up!

-Teacher Joanna