Преобразуйте следующие предложения в past simple. 1. many people have an opportunity to use computers. 2.there is no doubt that computers solve problems very quickly. 3. instructions direct the operation of a computer. 4. computers bring with them both economic and social changes. 5. computing embraces not only arithmetics, but also computer literacy. 6. it is well known that computers prepare laboratory tests. 7. those persons are computer literate and think of buying a new computer. 8. they receive a subscription magazine once a month. 9. my mother is ill and visits her doctor every other day. 10. experts know much about how to prepare programs.

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