mobile phones entered our life not long ago, but today we can’t imagine our life without them. some doctors say that they are very harmful to the health, especially to the health of children.
the mobile phones emit electromagnetic radiation, and a number of different scientific institutes claim that this radiation is really very harmful, though still there is no hard evidence that showed that mobile phones caused harm in real humans. i try to talk over my mobile phone as less as possibleto avoid the health risks.
Ответ дал: Гость
все ваши предложения в прошедшем времени,поэтому используем past perfect passive.
they said the medicine had been prescribed by the doctor.
he understood that the house had been robbed by the thieves.
she said he had been seen the night before with a pretty girl in the club.
he said that his walkman had been given to him by his mother as
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