Long before the _________________ set foot on American soil, the _________________________ had been living there. (20,000-30,000 years ago)
举一反三
- Modern humans and Neanderthals coexisted in Europe and Asia as recently as __________ years ago. The human and Neanderthal ancestral populations diverged about 370,000 years ago, before the appearance of anatomically modern humans. A: 20,000 B: 30,000 C: 40,000 D: 50,000
- It can be inferred from the measurements that 20,000 years ago, ______. A: The weather must have been warmer. B: The weather must have been colder. C: The weather had remained almost the same. D: The weather had changed a lot.
- A： I didn’t expect to meet you in another county, How long have you been here？B： several months.How long have The A been in that county? A: two years ago B: several months C: in a week D: Not long before
- the Europeans knew what compass was, the Chinese had put it into practical use. A: Before long B: Long since C: Long ago D: Long before
- Many years ago, Jim had lived in Paris with his uncle for a long time.