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.
6. If you want to sell your product, you must _______（做广告）it.
