You need _____(pack) your clothers if you go abroad.为什么填pack不填packing

问题描述:

You need _____(pack) your clothers if you go abroad.为什么填pack不填packing
打错了 原题是:You need _____(pack) your clothes if you go abroad

Need 后面可以跟动词原形,可以跟doing,但是need doing前面的主语应该是东西而不是人,它含有被动意思,所以选c