She raised her finger to her lips as _________ for silence. 

. After so many days on the way, even Charles cheered up at the _____ of the food.

If you want to get the driver’s_______ you should take some courses first in the traffic school.   

It’s generally believed that the_________ of the Dragon Boat Festival is to celebrate the great poet Qu Yuan.

Although Tan Weiwei began her_______by singing in a local Ear, she is now a famous star.(成都市)