7.Choose the correct words.
Mobile phone are a relatively new invention.Before mobiles,there (1) was/were two-way radios in taxis,police cars and ambulances,but users (2) can't/couldn't connect to the phone network.In 1910 , Lars Ericsson (3) installed/was installing a phone in his car.He (4) stopped/was stopping at different places while he (5) travelled/was travelling across the country.Then he (6) connected/was connecting with long wires.The first real mobile phone system (7) started/was starting in 1956 in Sweden.Today,people (8) use/are using mobile phones every day.
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