The people, (4)_____ job is to look after the passengers, the stewards and stewardesses play an important part in helping passengers to feel safe and comfortable.
Giải thích
Chọn A
Cấu trúc: N1 + whose + N2: N2 của N1
Chọn A
Cấu trúc: N1 + whose + N2: N2 của N1