Ask questions about the sentence: the head teacher proposed that we come to his school for 15-20 days in april. 1) 2) 3) 4) 5)how че оч надо

 The head Teacher proposed that we come to his school for 15-20 days in April.

1 Did the head teacher propose that we come to his school for 15-20 days in April?

2 Who proposed that  we come to his school for 15-20 days in April?

3 Where  do we come  for 15-20 days in April?

4 When do we come to school for 15-20 days?

How long do we come to school in April?