3. I wish I could go on vacation.
4. Would you mind closing the window?
5. The house was destroyed by the storm last week.
IV. Fill in each numbered blank with one suitable word from the box to complete the passage.
Solar energy is a long lasting source of energy, and it can be (1) used almost anywhere. To generate solar energy, we only need solar cells and the (2) Sun so we don't need any new space. Solar cells can easily be installed on house (3) roofs, and because they are (4) natural they don't cause pollution. Additionally, because they have no moving parts, they require little maintenance and have a long lifetime.