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

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

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

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

　　 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)

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