1. Do you know the professor who/that will give us a speech next week?
2. I read a report about his new novel that/which will soon be published.
3. The plan that/which they argued about was settled at last.
4. This is the new secretary who/whom/that I would like to introduce to you.
5. The soldier whose legs were badly wounded was operated on without delay.
6. She is probably the most hard working student that I have ever taught.
7. This is the very grammar book that I want to buy.
8. It is the first American movie of this kind that I’ve ever seen.
9. Do you know the things and persons that they are talking about?
10. I saw some trees whose leaves were black because of the polluted air.
