Respuesta:
1. What proof do you have that this research is valid?
2. We saw some strange inventions at the exhibition.
3. The professor ended the lecture by summing up his theory.
4. Most teens believe that connected games are the best.
5. We cannot reach our full potential without the help of technology.
6. Wind turbines are a much cleaner way to generate electricity.
Explicación:
espero te sirva mi respuesta crack :))))))))
