Can you imagine what life will be like in ___time?A.20 years'B.20 year's C.20-years'D.20-year's选哪个?

问题描述:

Can you imagine what life will be like in ___time?
A.20 years'
B.20 year's
C.20-years'
D.20-year's选哪个?

A.20 years' = 20 -year

A. 20 years' time

选A.
只有a正确

A

A.20 years'