Answer:
To say the same thing but in your own words.
B. to explain something
Because he explains about Flamenco dance.
Answer: 1) She had been given many ideas for the project by the class, but she used only one.
Explanation:
When using active voice, the emphasis is on the subject (person). The subject is the one doing the action on the object and not the other way around as is the case with passive voice for example: "<em>Parrain answered the question</em>" instead of "<em>The question was answered by Parrain</em>."
The above explanation rules out the third and fourth option as the focus there is not on the subject. The second option might be active voice, but it uses two sentences so is not correct. This leaves the first option as the correct one.
Answer:The hyperloop is a promising way of transportation that uses new technology to move a lot of people very quickly. Golden's point of view for transportation is completely different as he believes that walking or the improvement of cars or busses are the future for transportation.
Electrical cars are better for the environment since they produce less pollution than regular car but they can be expensive.