I knocked on the door but ______ answered.

(2011·北京高考)The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.

— Would you like to go to the cinema with me this evening?— I’d like to, but I won’t be free tonight. Let’s make ____ some other day.

The ladies would appreciate ______ if you could do them the favor to solve the two problems.

When we think of trees at Christmas, there is ________ that immediately springs to mind－the evergreen tree beautifully decorated.