Netizens are frequently reminded to be ________ about revealing (透露) their personal information on the Internet.

The course _______ for introducing multicultural America ranks first in the list of Popularity Courses among students this term.  

China won 100 medals in the Beijing Olympic Games, which is almost _____they won at the Sydney Olympic Games.

Many students signed up for the ____race in the sports meeting .

From her _____ voice on the phone, I know she was ______ with her new job.

Some parents want to shelter their kids from every kind of danger, real or         .

Mary had to call a taxi because the box was_______ to carry all the way home.

John once worked in a remote mountain village school, which is ____only on foot.

Her ________ look suggested that she was very _______ with the answer.

This book is well worth _______. Would you like to buy one?