25.A heavy drought is hitting the south-west part of China, ______severe problems for hundreds and thousands of people and cattle to get fresh drinking water.
________ people were hurt in the accident.
The cotton production has increased by_________percent this year compared with last year.
This is a _________building,which is about_________high.
David helps his mother with the housework every Saturday for abou_________t.
Li Ping was born_________ .