If it isn’t him, who________ it be?
What shall human beings do if oil_______sometime in the future?
.Chen Chunlong is a hero of _______Liaocheng can be proud.
My brother gets a_______out of collecting coins and he has got a very large collection.
-Why not have a meeting to discuss about it?-_______
People nowadays spend_______they used to but buy less food, especially meat.