回答下列问题：Collecting books,pictures or stamps is many people's

回答下列问题：
Collecting books,pictures or stamps is many people's hobby(爱好).But I have once seen an unusual collection.It was a collection of clocks.That was my friend Mr Smith's collection.He had one thousand five hundred old clocks!
There were clocks everywhere in his house.You could see shelves in every room.He put most of his clocks on them.There was not enough space for his all clocks,so he had to put some of them in large boxes and kept them in his garden.Mr Smith felt quite happy with his collection,but his wife(妻子)didn't enjoy it at all.It was not an easy job to clean hundreds of clocks every day.Besides,each clock kept its own(自己的)time.They struck(敲)one after another day and night.With so many clocks around,Mrs Smith never knew what time it was!
1.What was Mr Smith's hobby?
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2.How many clocks did he have?
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3.Where did he put most of his clocks?
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4.Whose job was it to clean the clocks every day?
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5.Why did Mrs Smith never know the right time?
Because each clock ___________________________________________________.

1.Collecting clocks
2.one thousand five hundred
3.shelves in every room
4.his wife
5.struck one after another day and night