4. I asked the Browns if they were having a barbecue that night.
5. Jane asked Tom if he liked sci-fi films that feature extraterrestrial life.
6. Val asked me if scientists had found life on Mars many years before.
7. Many people wondered if aliens or UFOs were real
8. Sally asked her best friend if they could go to the National Museum the next day.
9. Duc asked Trang if she knew NASA has found two new planets.
10. She wanted to know if I had been there the previous day.