Bag on the Platform站台上的包Helen and her mom are on the platform.The train has。just arrived.Mom:Qvick!It''s time to get on the train.Helen:I will go first!Mom:Watch out!There are many people.Be careful with your suitcase.Helen:Can I play games on your phone?Mom:Let''s find our seats first,come on.Helen:I want to sit by the window.Mom:Don''t sit there.These aren''t our seats!
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