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which B. on that C. in which D. of what 7. This book will show you __________ can be used in other contexts.. A. how you have observed B. what you have observed C. that you have observed D. how that you have observed 8. The reason is __________ he is unable to operate the machine. A. because B. why C. that D. whether 9. I’ll tell you __________ he told me last week. A. all which B. that C. all that D. which 10. That tree, __________ branches are almost bare, is very old. A. whose B. of which C. in which D. on which 11. I have bought the same dress __________ she is wearing. A. as B. that C. which D. what 12. He failed in the examination, __________ made his father very angry. A. which B. it C. that D. what 13. We’re talking about the piano and the pianist _______ were in the concert we attended last night. A. which B. whom C. who D. that 14. The girl ________ an English song in the next room is Tom’s sister. A. who is singing B. is singing C. sang D. was singing 15. Those _______ not only from books but also through practice will succeed. A. learn B. who C. that learns D. who learn 16. Anyone ________ this opinion may speak out. A. that against B. that against C. who is against D. who are against 17. Didn’t you see the man ________? A. I nodded just now B. whom I nodded just now C. I nodded to him just now D. I nodded to just now 18. Can you lend me the novel ______ the other day? A. that you talked B. you talked about it C. which you talked with D. you talked about 19. Is there anything _______ to you? A. that is belonged B. that belongs C. that belong D. which belongs 20. “How do you like the book?” “It’s quite different from _