They were eager to show how light and shadow fell on objects at different times of doy.They were eager to show how light andshadow fell on objects at different times of doy.上句中“times”为什么加“s”?“day”前面为何不加“a”,加上可以吗?
问题描述：
They were eager to show how light and shadow fell on objects at different times of doy.
They were eager to show how light andshadow fell on objects at different times of doy.
上句中“times”为什么加“s”?“day”前面为何不加“a”,加上可以吗?
答