Many buildings in the city need repairing, but the one ____ first is the library.
—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.
The value of life lies not in the length of days, but in the use we __________ them.