Give the correct form of the appropriate verb, saber or conocer , which would be used in writing the following sentences in Spanish.

1. _______ Maria knew everyone.
   
2. _______ Because he had already seen the movie, he knew what happened?
   
3. _______ The student knows the answer.
   
4. _______ He knows Bach’s music.
   
5. _______ Do you ( tú ) know who is singing
   

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