He opened the windows to ________ the smell of tobacco.
_______ China winning 51 gold medals, the 2008 Olympic Games came to an end.
With ________ look of disappointment, he left the Student Union office. Without ________ knowledge of photographing, he missed the chance to be an editor of Babel.
—Do you know Jack quarreled with Tom? —I don't know,.
She thought I was talking about her daughter, __________,in fact, I was talking about my daughter.
The number of the people who speak English large, and a large number of people native speakers.