The _______ of the dinosaurs occurred millions of years ago.
举一反三
- It has valleys ___________________ into the Earth millions of years ago.
- When was the man in New York A: About two years ago. B: About one year ago, C: About three years ago.
- We each other since known; ten years ago. A: have known; ten years ago B: knew; ten years ago C: have known; ten years D: knew; ten years
- Millions of years ago, changes in the Earth's climate caused animal and plant life to ______. (diversion)
- What does the Egyptian hall look like to the customers? A: A Chinese building from 4,000 years ago. B: A British building from 5,000 years ago C: An Egyptian building from 4,000 years ago D: An Australian building from 4,000 years ago