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If you stay in your room when an earthquake（地震）happens，you ought to_______．

①hide yourself under the table

②Stay in the safe place until the shaking stops

③keep yourself under the seat in the bus

④stay away from class，windows，and anything that could fall

⑤make sure the lights are on and find all your valuable things

A．①②③           B．②④⑤          C．①②④