-- _____is that used for?---_____ the floor.
—Things are getting more expensive now.—It’s ________ that prices will continue to ________.
—How did the global financial crisis ________?—I’m not quite sure. Anyhow, it is a very important problem facing us.
—Can you shoot that bird at the top of the tree?—No. It’s out of ________.
—My parents said that we would take a camping on May Day.— __________ it rains then?
I know I can't change the world completely, but I'm proud that I can __________ to people's life on an individual level.