The passage suggests that we could have learned much more about our past than we do now if the ancient people had ___________ .
举一反三
- What do we learn about sleep from this passage A: The sleep quality is more important than the time. B: The more we sleep, the healthier we will be. C: A frequent desire to sleep late could be a sign of a health problem. D: Most people have satisfactory sleep during the weekday and the weekend.
- Now we have _____ pigs as we had three years age. A: twice as much B: twice as many C: twice more D: twice much more
- If we _____ mroe time and money, we could have visited many more places. A: have B: have had C: had had D: could have
- The test was much more difficult than we had (expect) ______
- We _____ a lot more work to do now than ever.