基础英语.Half a pound of coffee.A quarter of a pound of tea.为什么第二句前面有A,第一句却没
问题描述:
基础英语.Half a pound of coffee.A quarter of a pound of tea.
为什么第二句前面有A,第一句却没
答
基础英语.Half a pound of coffee.A quarter of a pound of tea.
为什么第二句前面有A,第一句却没