We were waiting at the airport. They announced that our phone was delayed.
Giải thích
5. We were waiting at the airport when they announced that our plane was delayed.
Hướng dẫn dịch:
5. Chúng tôi đang đợi ở sân bay thì họ thông báo rằng máy bay của chúng tôi bị hoãn.