Question

3. They suggested that the professor referred to just now        of the meeting. (make)

他们建议刚才被提及的教授应被选为主席。

Answer 1

3. (should) be made chaiman句中referred to是过去分词短语作定语，表示"被提到的"。

suggest此处意为"建议"，其后的从句用虚拟语气，即谓语为"(should + ) 动词原形"。另外， chairman前不力口冠词。