in the European universities of the Middle Ages ,students____（work）for advanced degrees had to discuss questions in thei
问题描述：
in the European universities of the Middle Ages ,students____（work）for advanced degrees had to discuss questions in their filed of study with people who had made a special study of the subject.答案是working,为什么不是are woking,什么时候才是添are working,
答
working
动名词短语作后置定语.楼下错误.除非把这个短语便定语从句.
Students (working) for advanced degree had to ...
Students (who were working) for advanced degree had to ...哦，那这个是宾语从句是吗，然后就省略了那个，恩，那么广东的语法填空是不是不会除要填省略部分的内容de呀是的。祝你进步。求采纳