several hundred中的hundred用单数还是复数?其后可接介词of吗?比如下面几个哪些对,哪些不对?有规律吗?Several hundred workers were waiting outside the factory.Several hundreds workers were waiting outside the factory.Several hundred of workers were waiting outside...
在一篇口语对话中看到下面的对话: Bob: Well, Fred! Come right in! Haven’t seen you in a month of Sundays! Fred: Good to see you, Uncle Bob. 请教一下,其中的 a month of Sundays 是什么意思?