It'll be covered with tree_____.I hope so.The earlier,the better.
问题描述：
It'll be covered with tree_____.I hope so.The earlier,the better.
选项：A、in a few year's time
B、after a few year
C、in a few years later
D、in a few years'time.
选哪个,为什么,它们之间有什么差别,
答
D、in a few years'time.
表示在几年之后
其他几个得改法
a.in a few years' time
b.after a few years
c.a few years later