Вставьте нужный артикль 'a', 'an', 'the' или тире (-) при его отсутствии? At ... end of...

Question

Вставьте нужный артикль 'a', 'an', 'the' или тире (-) при его отсутствии?

At ... end of each course we have ... lot of exams and credit tests.

Answer 1

At the end of each course we have a lot of exams and credit tests.

Answer 2

At the end of each course we have a lot of exams and credit tests.