American Indians ________ about five percent of the U.S. population .
If your parents couldn't __________ to send you to college, you may ask our national Hope Project for help.
—Things are getting more expensive now. —It's __________ that prices will continue to __________.
__________ houses were knocked down in the earthquake.
Today __________ number of people learning English in China is increasing rapidly, and __________ number of learners can speak English well.
Since I have read quite a few English books, I know __________ words and phrases, of which the majority __________ been found in our textbook.