I.
1. Plans have been drawn for an extension to the ISS by American scientists.
2. He asked if NASA could prove that there was life on a moon of Jupiter.
3. The student asked, "How long does it take to get to red planet?"
4. When Sarah arrived the office, Paul had left there.
5. The plane was prevented from taking off on time by the heavy snow.
6. My parents asked what time I had got home the previous night.
7. Lucy might not be at home now.
8. NASA hasn't sent humans to the moon since 1972.
9. She said that they were meeting Tony at 8 o'clock that night.
10. Sam said to me, "I am very tired now because I have been working hard for 12 hours".