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.