用所给词的适当形式填空 they found the doors were all — [lock].
问题描述:
用所给词的适当形式填空 they found the doors were all — [lock].
答
填:locked
因为"the doors"是被锁,故用过去分词,构成被动语态.
句意:他们发现那些门全锁上了.