They wouldn’t agree to sell the house to us at the same price ______ they had asked, ______ was rather disappointing.
One hundred thousand years ago, ________ choice was simple when it came to ________ drink—there was no choice. It was water or nothing.
Liu Yang is ________ first woman astronaut in China who reached ________ space.
According to ________ People's Daily article, 40% of the lakes in Jiangsu have dried up in ________ past 30 years.
The actress received an award for her ________ to charity work.
We need an effective strategy to help children living in ________ poverty to have the opportunity to receive ________ good education.