第二节短文改错（共10小题，每小题1.5分，满分15分）
When I was little, my mom once took me to America         76. ______________
to visit one of our relative. At that time I couldn’t speak                77. ______________
a word of English, but I was deep impressed by the               78. ______________
teenagers here. Their skin was bright like sunshine，              79. ______________
their eyes were blue but they always looked happy．              80. ______________
How time flies! I’m teenager myself now．A friend of            81. ______________
mine in Los Angeles often tells me he attends to various           82. ______________
clubs, plans for his future and never had a formal                 83. ______________
exam in his school so far．All the students enjoy them at         84. ______________
school. That’s what I know about America teenagers．            85. ______________