Travellers are urged by experts to read and listen to safety instructions.. A. before locating the exits B. in an emergency C. if smoke is in the cabin D. before take-off

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Travellers are urged by experts to read and listen to safety instructions.

before locating the exits

in an emergency

if smoke is in the cabin

before take-off

Giải thích

Lời giải:

5. Thông tin: Experts say that you should read and listen to safety instructions before take-off and ask questions if you have uncertainties.

Đáp án: D