....... ...................... cell phones overtook landline phones, and the services became equal in popularity with customers' annual expenditure of about $550.
In 2006
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15
Overall, spending on residential phone services .............. ...................,
dramatically declined / sharply dropped down / speedily decreased
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thief
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5
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25
shark
Other team loses 10 points!
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rocket
Go to first place!
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thief
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5
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20
Meanwhile, spending on residential phone services experienced a steep fall in 2007 and went on to................ ....................... for the rest of the period.