Задайте вопросы к подлежащему:
1. My parents are full of energy. 2.I have been preparing for a seminar for three hours. 3. These types of cars develop a maximum speed of 140 km per hour. 3. First-year students have been drawing schemes for several months this term. 4. We shall pass exams in winter. 5. Faraday devoted his life to science.

1. Who is full of energy?

2. Who has been preparing for a seminar for three hours?

3. What develops a maximum speed of 140 km per hour?

3. Who has been drawing schemes for several months this term?

4. Who will pass exams in winter?

5. Who devoted his life to science?