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Exercise 3: Rewrite sentences using "used to/past simple"
1. The typewriter was common, but it was then replaced by the computer in the middle 1900s.
2. My brother masters computer skills now, although he was a low-tech user when he was
younger.
3. Jin has recently equipped her house with several housing appliances since June.
4. My grandpa used to find using a smartphone difficult when he first received one last June.
5. My mother lived without any modern digital devices when she was young.