搜索结果： no matter how difficult the paperwork is的用法与分析The accountant needs to finalize the expense report before noon tomorrow no matter ______ difficult the paperwork is. A. no matter how引导的从句可省略“主语+be”吗No matter how frequently they are performed, the works of Beethoven still attract people all over the world. 不管被表演了多少遍，贝
