THEY HAD TO WAIT FOR TWELVE HOURS BEFORE THEIR FLIGHT LEFT.- ONLY A...

5. - 2 DE THI THU DH MON THI TIENG ANH VA DAP AN
Tiếng Anh 2 DE THI THU DH MON THI TIENG ANH VA DAP AN

5. They had to wait for twelve hours before their flight left.

- Only after a ………