四、语法填空
阅读下面短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式。
Flying to the moon has been a Chinese dream for 1. (thousand) of years. Professor Ye Shuhua, one of the key scientists working at Shanghai Astronomical Observatory for nearly half a century, thinks China's lunar project is 2. (excite) news for the country's space industry(产业). "For our astronomers, the moon is an ideal place 3. (go)," Ye said.
Dreams of flying to the moon have deep roots in Chinese culture. According to 4. ancient story, Chang'e was a fairy(仙女) who took a special drink that let 5. (she) fly to the moon. The dream 6. (come) true for U. S. astronauts for several years, but it will take China 7. least ten years to land astronauts there.
The project has helped the public understand the space program and learn more about the moon, 8. (especial) among young people. A visitor said, "The moon is a satellite(卫星) of the earth. There are millions of pits on its surface." Another visitor added, "The moon is beautiful and it's the 9. (close) body to the earth. That's 10. people want to land on it."
For children, learning about space is fun. But for scientists like Ye Shuhua, the lunar project is only the beginning. "Landing on the moon will be a task for today's young people, not for me. But I hope to watch the news when our astronauts finally land there," Ye said.

1. thousands 2. exciting 3. to go 4. an/the 5. her 6. has come 7. at 8. especially 9. closest 10. why