What day is today?
结构：
问句：What day is today?
答句：It's+Sunday/Monday/…。
说明：此句型意为“今天是星期几?今天是星期日/星期一/…。”it 可用于指“星期的名称”，但 this或 that 不可以;一星期七天的名称，都是<专有名词>，开头的首字母要大写，前面不加<冠词>.
What day is today? It's Sunday.
今天是星期几?今天是星期日。
What day is today? It's Wednesday.
今天是星期几?今天是星期三。
What day is today? It's Saturday.
今天是星期几?今天是星期六。
责任编辑：洋洋
