We will be able to save more people from natural disasters in future

1.We will be able to save more people from natural disasters in future
=>More people....................................................................................
2.Are the windows going to be repaired by a workman?
=>Is.............................................................................
3..Who will the car be cleaned by on Sunday?
=>Who............................................................
4.Is French spoken by a  large number of the people?
=>Do............................................................................
5.Were you taught to play the guitar by a friend?
=>Did....................................................................