---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
网友回答
(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