기업경영(계약학과)

Our group was newly organized because some students were absent.
Our group members are 이영화, 이동협, 장종설, 김송희, 안정진, 남선민, 유현정 and 한희경.

Here's our assignment:

1. I cleaned my room. (능동태)

→ My room was cleaned by me. (수동태)

2. Someone rang the doorbell. (능동태)

→ The doorbell was rung by someone. (수동태)