l'll have a night---------this evening.Would you like to go to the movie with me?选项：A,at B’on C‘off D'in越快越好,

l'll have a night---------this evening.Would you like to go to the movie with me?
选项：A,at B’on C‘off D'in
越快越好,

C:off a night off 表示一个晚上的休息时间