Обозначьте временную форму и залог. 1) The current is flowing along the wire. 2) A group of researchers has developed new equipment for TV communication. 3) The circuit was closed. 4) The transmitter is located in a special cylinder.
Sleep everyone needs, without it we cannot live. Healthy sleep extends life. Quiet, quality sleep allows you to restore the cells of the Central nervous system, it is a powerful prevention of many diseases, strengthens the immune system. Adequate sleep allows the brain to calm down. While you sleep, you recover faster. While sleeping, you're having sweet dreams, something good in them. So sleep is useful and necessary. Need not linger long at the computer or behind the TV with the phone. Better to spend your free time on the dream. Sleep more.
Alice was beginning to get very tired of sitting by her sister on the bank, and of having nothing to do: once or twice she had peeped into the book her sister was reading, but it had no pictures or conversations in it, 'and what is the use of a book,' thought Alice 'without pictures or conversation?'So she was considering in her own mind (as well as she could, for the hot day made her feel very sleepy and stupid), whether the pleasure of making a daisy-chain would be worth the trouble of getting up and picking the daisies, when suddenly a White Rabbit with pink eyes ran close by her.