核心问题
It will take ____ to finish this course. A. one and a half year's time B. a year and a half's time C. a year and a half of time D. a year and a half time我知道正确答案为 B(a year and a half's time)。我的问题是:为什么不能选 A?
词典解答
one and a half 后面的名词应当使用复数(见 one and a half...is/are)。A 项中的 year's 是 year 的单数所有格形式。