the opening ceremony, “Miss Smile”has won the hearts of Chinese Internet users after being caught _____ the samesmile for nearly 20 minutes

Radcliffe, starring Harry Potter, has entered _____Guinness World Records book as one of ______ highest earning actors of the decade．

Many people have donated that type of blood; however, the blood bank needs ________[ ]

The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good ______.

Why do you look sad?—There are so many problems.[ ]