1. There are a lot of waves in outer space that the naked eye cannot see. 2. Japan and us are very close neighbours. 3. We need to turn our motherland into a socialist mordern and strong country. 4. He is a present day Chinese author. 5. That is the first newspaper that was published inchina mainland. 6. They did a physics experiment just now. 7. Li Fang is sometimes late for school. 8. Even so, we still cannot take it easy. 9. I will appreciate it if you send the sample or catalog as soon as possible. 10. To drive across this area is too dangerous.