Question

what promise lorenzo to keep

Answer 1

lorenzo was to keep the promise to Jessica of being faithful to her and to elope along with her to take her away from herewith father. Lorenzo was supposed to keep up with all his vows of love .

Answer 2

Explanation:

Lorenzo has to keep the promise of eloping with Jessica that night. Jessica will end the struggle between her desire to marry Lorenzo and her duty to her father, Shylock.