阅读短文，然后根据内容回答问题。

　　Steven is visiting his cousin Anna．He has never been to her house before and so he does not know how to get there．Before he left, Anna gave him some directions over the telephone．

　　“Take the number 7 bus to the Lakeside shopping centre．Get off the bus and look ahead of you．You will see an art museum．Go towards the museum and turn right at third crossing．On the corner is a police station．Walk about 50 meters and you will find our house across the street on the left．It is a small white house with a large cherry tree in the garden．It is number 13．”

　　Steven got off the bus at the shopping centre．He looked ahead but he could not see an art museum．He decided to ask someone the way．

　　“Excuse me! Do you know where the art museum is?”Steven asked a young man．

　　“I'm sorry, I don't know．I'm just visiting the town,”said the young man．

　　Steven tried again．‘Excuse me! Is there an art museum near here?’

　　‘Yes, there is,’said a woman．‘Go along this road until you see a bookshop．Turn left and you will see the Woodford Art Gallery．’

　　‘Thanks very much,’said Steven．Steven walked to the art museum．Then he looked for the police station．He could not see it anywhere．So he asked an old man．‘Excuse me, where is the police station, please?’

　　The old man said,‘It's near the shopping centre．Go across this bridge and take the first turning on the right．It's between the bank and the post office．You can't miss it!’

　　Steven walked over the bridge and take the first turning on his right．He found the police station just as the old man had said．He walked up the street and looked for a small white cherry tree in the garden．There was only a school and a park．

　　“I'm lost,”thought Steven．He decided to telephone Anna again and ask her to fetch him．

1．Why didn't Steven know how to get to Anna's house?

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2．Why couldn't the young man help Steven?

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3．Was the police station near the shopping centre?

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4．Where was the park?

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5．What happened to Steven?

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