Переведите предложения на язык, обращая внимание на особенности употребления пассивного залога в языке. 1. faraday's works on electro-magnetism were followed by many pioneers in the field of electricity. 2. that event was commented upon in many newspapers. 3. morse was given the idea to perfect the telegraph and its code during his trip to europe, 4. these books are needed by all our students. 5. this subject will be dealt with in the next chapter.