单项选择题

Over the next 5 years, every phone number in the city will gain an extra

A．8 digits.
B．2 digits.
C．1 or 2 digits.
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What may happen if a person has got a coupon
A．He may keep it.
B．He may give it to his relative.
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Google will never be replaced by other search engines.
A．Right
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