In order to do something meaningful it’s necessary that you determine what is really imp

问题补充：

In order to do something meaningful, it’s necessary that you determine what is really important.

A. must

B. will

C. need

D. should

答案：

A. must

B. will

C. need

(答案→)D. should

解析：句意：为了做一些有意义的事情，你决定什么是真正重要的很必要。这里使用了句型：it’s necessary that+从句，从句中用should do表示虚拟语气，should可以省略，所以选D。