Half of ________ surveyed in 16 countries say they go first to their closest friend to share their deepest wishes and darkest fears.

______of them knew about the plan because it was kept a secret.

—Who broke the window?  — ______. A strong wind broke it last night. 

The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.                                    (2011·北京，34)

—Would you like______ to eat ?—Yes，please.