How much cell phones have actually changed over the years?

How much cell phones have actually changed over the years?
How much cell phones have actually changed over the years?
How much cell phones have actually changed over the years?
How much cell phones have actually changed over the years?
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  • English as a Second Language (ESL)

  • Reading comprehension

  • Age 12+

  • level: Higher

  • English

Author's Instructions

Reading comprehension exercise about the history of cell phones.