问题补充：
They will complete the work .
A. after a few weeks’ time
B. in a few weeks’ time
C. after a few weeks’ time
D. in a few week’s time
答案：
A. after a few weeks’ time
(答案→)B. in a few weeks’ time
C. after a few weeks’ time
D. in a few week’s time
解析：在将来时态的句子中，时间状语一般用in引导的短语。
