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

To lose weight , Jane is considering _______ the weight-loss pills . She prefers to do that rather than _____ some exercise every day .

_______ to change her schedule because the plane arrived late, the famous actress cancelled the appointment with the local press．

The waiter greeted me with a big smile and _____ us by the window. 

 Anyone ______ trying to take knives on board flights would be caught by the police.