根据下列句子及所给单词的汉语注释，在句子中的横线上写出各单词的正确形式。（每空一词）

1．Teaching disabled children requires ______________ (耐心) and understanding.

2．The thief ______________ (承认) his crime when he was questioned by the police.

3．The company promoted the new product by ______________ (作广告) on TV..

4．The old man’s ______________ (孙女) usually plays in the yard.

5．It is ______________ (违法) to carry guns without permission.

6．One of the new government’s _______________ (政策) is to control unemployment.

7．As a postman, he _______________ (递送) letters every day.

8．The table cast a _______________ (影子) on the wall.

9．There are many _______________ (亚洲) students studying in the USA.

10．_______________ (不幸), he lost all his money on the bus.