Answer:
its a 
Explanation:
as it showed if you read the first paragraph 
 
        
                    
             
        
        
        
Answer: it was published in 1968. It was inspiration for science fiction,
It was described as an alien invasion on Earth
Explanation:
Thats all of them
 
        
                    
             
        
        
        
The active sentence is
→ The students voted for class president.
This sentence uses simple past tense
✐ formula past simple
(+) S + Verb 2 + O/C
(-) S + did + not + Verb 1 + O/C
(?) Did + S + Verb 1 + O/C?
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Subject : English
Keywords : Active Voice, Past simple
Also read the similar question brainly.com/question/9909961
 
        
             
        
        
        
Nobody really knows what they want to use us for but they never tell us for a reason they alway say they know what were doing bot not really