为什么是Fluent speaking skill,poor written work而不是poor writing w

speaking skills 为什么用skills 不用skill writing skill 不用skills有什么 为什么是spoken english 和speaking skill 为什么是speaking skill?spoken english? poor 为什么是poor little girl 不是 little poor girl 是writing skills还是writing skill?// 是 poor loney 还是poor alone spoken 还是speaking English written还是writing English Some students are poor in (speaking /spoken) English? be poor poor意思 poor中文