The main errors in the sentence "Some people thought politics were the perfect profession for young William, but his subversive activities in college kept him from being elected to any <span>political office" are with number and tense. "Office" should be changed to "offices".
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Answer:
4. The flip phone became obsolete as newer technology arrived on the market
Explanation:
Obsolete means out of date or no longer in use so this sentence would be the answer. That the flip phone is now out of date or too old since newer technology came.
Hope this helped :)