The Head Teacher proposed that we come to
his school for 15-20 days in April.
Did the Head Teacher propose that we come to
his school for 15-20 days in April?
Who proposed that we come to that school for 15-20 days in April?
Where will we come for 15-20 days in April?
When will we come to the school, that the Head teacher proposed?
How long will we stay in the school for?