—Was it by cutting down staff _____ she saved the firm?— No, it was by improving work efficiency.
I would appreciate ________ you could give me some advice on learning English.
The local Tibetans and Sherpas laughed at the strange bottles containing ________ they referred to as “English air”.
The decision was made ________ more medical teams would be sent to help people in the earthquake.
Mobile phone users have developed a series of symbols, such as and to show ________ they feel.
Inside the White House, there is a room called the Oval Office. That's ________ President Obama works.