Mr Smith had a small shop in a town.There were many beautifu

Mr Smith had a small shop in a town.There were many beautiful things made of gold in the shop.He often stood at the door and called,“Come and see!Come and buy!I’ll show you beautiful things made of gold（金子）.”
One day Mr Smith had to go out to do something important.He said to his son,“I’m going out to do something,and you must stay here.Don’t leave the door of the shop.” When Mr Smith left the shop,he told his son again,“Don’t leave the door of the shop.Do you remember?” “Yes,I understand,” answer his son.
Half an hour later,Mr Smith came back.“What happened?Why are there so many people coming into or going out of my shop?” he said to himself in surprise.
He looked for his son here and there.He saw his son playing under a tree behind the shop.Mr Smith ran to the boy and said,“I told you not to leave the shop.” “No,you told me not to leave the door.I did as you told me.I didn’t leave the door of the shop.I took it down and brought it with me.Look!Here is the door
1 How long had Mr Smith been out?
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2 What were the people doing when Mr Smith came back?
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3What do you think Mr Smith would do mext?
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