题目内容：

25.don’t you think it is time you ______ smoking?
A)give up
B)gave up
C)would give up
D)should give up

优质解答

正确答案是B或D.句子意思：难道你不认为该是你戒烟的时间了吗?考点：虚拟语气.知识链接：It's (high/about) time(that ) sb did/should (不能省略)do sth即,在该结构中,从句要使用【动词过去式；或should+动词原形】...