he （）to the party thise afternoon if he has something important to do
题目
he （）to the party thise afternoon if he has something important to do
A needn't go B doesn't need going C doesn't need go D needs not go 选哪个为什么
答案
A
need 作情态动词后接动词原形,没有人称和数的变化,故排除 D,其否定形式是needn‘t,作实义动词时,人作主语后接TO DO ,否定形式要加助动词doesn’t,再排除B与C
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