You ____to the meeting this aternoon if you have something important to do.

问题描述:

You ____to the meeting this aternoon if you have something important to do.
A.needn't to come B.don't need come
C.don't need coming D.needn't come
为什么选D?

need 在这里面做情态动词...
need做实意动词时后面加to do