1.The teacher asked us what we knew about UFOs

2.My friend asked me if I had ever seen movies about UFOs and aliens

3.I asked Minh if he liked reading fiction novels about dangerous terrorists

4.The teacher asked Mai if she had ever though she would be an astronaut exploring the Moon some day

5.The father asked his son who the first Vietnamese astronaut had been

6.He asked me if I had read the letter from a nine-year old boy to NASA to express his desire to be a NASA Planetary Protection officer

7.He asked me if I had ever seen the film Marvel Agents of Shield about aliens and other planets

8.The teacher asked him when the explorers had put their first steps on the Moon

9.He asked me if NASA had recently annouced the recruitment of NASA Planetary Protection Officer

10.The boy asked his father why it was hard for them to live on Mars

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