题目内容：

根据首字母填空（共5 小题；每小题1分，满分5分）

71. He ran across to the o________  side of the street.

72. We Chinese have friends t    _____ the world.

73. They drew simple pictures or signs to r_________ things and ideas, and also the sounds of their language.

74. His situation is very c___________ , so no one is willing to get involved.

75. He feels c___________ of passing the examination.