Answer:
The children sailed paper boats before dinner.
Mothers call the children inside when dinner is ready.
She fell while she was playing and injured her knee.
Explanation:
Prepositional phrases are composed at least of a preposition and an object.
The word 'when' used as a conjunction means 'at the time that', and is followed by a subordinate clause.
The word 'while' is used to connect two events occurring at the same time, and is followed by a subordinate clause.
It is about Gordon korman using the item as the next future item in the case of the continuing investigation. The protagonist says the character of the secretary is the only territory of the England in the northwest. Therefore the protagonist is saying that Gordon is using the future time telling as the next best item. Good luck :)
BAHAH I CANT WITH THIS ONE