1. We will all have a course in ______（古代的） history this term.
2. Can I have a ______（自愿者） to wash the dishes?
3. Electric lights have ______（取代）candles.
4. They’ve been very ______（迅速的）to deny these rumors.
5. We attended a dinner party______（做东，招待）by the president of the company.
