Sunday可數嗎

　　例句：

　　We work every day except Sunday.

　　我們除星期天外每天都工作。

　　The driver was rostered for Sunday.

　　這名司機被安排在星期日值班。

　　We walked off a heavy Sunday lunch.

　　我們星期日午餐吃得特別多，散散步幫助消化。