Rewrite the sentences in passive voice 1) Maria is feeding the dogs. 2) I am watering the flowers.
3) The girls are taking selfies.
4)They are building those towers.
5) Joseph is giving a speech.
6) My sister and I are painting the gate.
7) He is repairing the bikes.
8) My professor is writing a book.
9) Sarah is providing the snacks this afternoon.​​

1. Is an analog computer a device?
    An analog computer isn't (is not) a device.
2. Do the digital computer differ from the analogue computer?
    The digital computer don't differ from the analogue computer. 
3. Did the first man-made digital computer was probably the abacus?
    The first man-made digital computer wasn't (was not) probably yhe abacus.
4. Are the human operators replaced by automatic devices?
    The human operators aren't (are not) replaced by automatic devices.
5. Does store memorize numbers and instructions?
    Store doesn't (does not) memorize numbers and instructions.

1.Hi Marina! Привет Марина!
2. In your letter you told me about your problems. В своем письме ты говоришь о своих проблемах.
3. I'm sorry to hear that you hadn't passed your driving tests.Мне жаль слышать, что ты не сдала тесты по вождению ( автомобиля )
4. The best thing you can do in this situation is to learn the rules of driving and try to pass exams once more. Самое лучшее, что ты можешь сделать в этой ситуации, выучить правила вождения и попытаться сдать экзамены ещё раз.
5. I hope that my advises will be useful.