问题补充:
—Good news! We will have a holiday.
—I’ve heard of it. But it’s coming in .
A. three days; three days’ time
B. three days’; three days’
C. three-day; three days
D. three days; three-day time
答案:
A. three days; three days’ time
B. three days’; three days’
(答案→)C. three-day; three days
D. three days; three-day time
解析:时间表示量修饰名词,通常用连字符,用连字符的单词不使用复数,三天的假期可写成three-day holiday,表示具体的时间可以直接写数词加时间单位,有复数形式,三天可写成three days,故选C。