The music teacher was the only member of staff not...

A

- Hướng dẫn giải

Phương pháp giải:

Giải chi tiết:

Đáp án: With the exception of the music teacher, every member of the staff / all the staff attended the farewell party.

Only member = thành viên duy nhất. With the exception of somebody = ngoại trừ ai đó