THE PEOPLE WHICH/ WHOSE LUGGAGE WAS LOST HAD TO REPORT TO THE LOST...

2. - Đề cương Tiếng Anh lớp 9 - Ngày 6/4
Lớp 9 Tiếng Anh Đề cương Tiếng Anh lớp 9 - Ngày 6/4
2. The people which/ whose luggage was lost had to report to the lost properties office.