1. My father is always a careful driver. →My father..... 2. Despite the heavy rain, they still went hiking. →Although.... 3. We were so interested in the comedy that we laughed from beginning to end. → The comedy ....... 4. No other music festival in the world is as big and famous as the Rio Carnival →The Rio Carnival is the ....... 5. We are trying to find cheap and clean and effective sources of energy. → We are looking.
