Most doctors and teathers ____ in the west of China in the recent yearsA will be needed B are needed 为什么是A而不是B

问题描述:

Most doctors and teathers ____ in the west of China in the recent years
A will be needed B are needed 为什么是A而不是B

in the recent years
表将来时间

in the recent years这是将来时的标志词.
in+一段时间表示将来的一段时间.