9. There are many students of Grade Three reading in the reading room, most of _________ with their heads buried in their reference books and notebooks.
They are_______the same size.You can take_______half of the bread.
—What’s that terrible noise? —The neighbors_______for a party.
Ah,it was the place_______we once dug the reservoir.
_______know the truth about it will tell you.
Even with the guide leading the way,they_______to cross the thick forest.