根据句意及所给汉语或单词提示，写单词。（每小题1分，计10分）
Zhang Yimou is one of the greatest __________(导演) in the world.
The Autumn Festival is one of the most __________________(传统) festivals in China.
In the film , a _______________ (富有的) man become poor in the end.
Watching TV ads is just a ___________(浪费) of time.
My pen has gone ___________(丢失)， I need to buy a new one.
Be friendly and you will make more friends and fewer  ____  (enemy).
It’s very important to teach young children about road   ____ (safe).
Don’t believe in advertisements because they may hide the  ___  (true).
Tan Dun is one of the most famous ___________________ (music) in the world.．
Qian Xuesen’s death was a great _______ (lose) to the whole world.