Question

Open the brackets and put the verbs into Past Continuous.

While the students (to study) at the college their residence life (to become) a part
of their exiting college experience.

Answer 1

were studying
was becoming

Answer 2

While the students were (потому что студенты - мн.ч.) studying at the college their residence life was (потому что жизнь - ед.ч.) becoming a part of their exiting college experience.