【按画线字母或字母组合的读音将下列单词归类look(oo)bear(ear)work(or)dear(ear)put(u)girl(ir)there(ere)hear(ear)cook(oo)skirt(ir)hair(air)year(ear)】

　　按画线字母或字母组合的读音将下列单词归类

　　look(oo)bear(ear)work(or)dear(ear)put(u)girl(ir)

　　there(ere)hear(ear)cook(oo)skirt(ir)hair(air)year(ear)