It is ________ the customers’ needs that has made chain stores so popular in big cities in China.
The moment I saw her, I __________ her, although she changed a lot through years.
Alexander tried to get his work __________ in the medical circles.
The doctor thought __________ would be good for you to have a holiday.
—Sorry, do you mind if I smoke here? —Yes,__________•
—Do you mind my opening the window? It's a bit hot here. —__________, as a matter of fact.