Seat belts: remain -1- while the “Fasten seatbelts” sign is on
举一反三
- Fasten the seat belt while the Fasten Seat Belt Sign is on.（ ）
- Fasten the seat belt while the Fasten Seat Belt Sign is on.
- Fasten the seat belt while the Fasten Seat Belt Sign is on.
- Fasten the seat belt while the Fasten Seat Belt Sign is on.
- Fasten the seat belt while the Fasten Seat Belt Sign is on. A: 正确 B: 错误