I.

1. Nhi said people would soon communicate using telepathy.
2. Mai asked what would happen if aliens occupied Earth.
3. If I were you, I would recycle these plastic carrier bags.
4. I will go scuba diving with Terry because I can't swim. 
II.

1. Lan said that holography would help us to interact in real-time.
2. Dean wanted to know if aliens could communicate verbally.
3. Mark asked if aliens could smell others’ happiness and fear.
4. Trinh asked what Martians had to drink.  

1. Nhi said: "People will soon communicate using telepathy."
2. Mai asked: "What will happen if aliens occupy Earth?"
3. If I were you, I would recycle these plastic carrier bags.
II. 
1. Lan said that holopgraphy would help us interact in real time.
2. Dean wanted to know if aliens could communicate verbally.
3. Mark asked if aliens could smell others' happiness and fear.
4. Trinh asked what Martians had to drink.