---What are you doing on your next day ?---I want to have a good rest at home because I’m

问题补充：

---What are you doing on your next day ?

---I want to have a good rest at home because I’m very tired these days.

A. off

B. on

C. of

D. up

答案：

(答案→)A. off

B. on

C. of

D. up

解析：考查介词的副词用法. Off离开的,空闲的;on开着的,上演的;of关于,属于; up起来,向上.句意:你下个休息日做什么?day off 表示的是休息日，故选A