I have bought the same dress __________ she is wearing. A. as B. that C. which D.what 2. He failed in the examination, __________ made his father very angry. A. which B. it C. that D.what 3. We’re talking about I'mthe piano and the pianist _______ were in the concert we attended last night. A. which B. whom C. who D.that 4. The girl ________ anEnglish song in the next room is Tom’s sister. A. who is singing B. is singing C. sang D. was singing 5. Those _______ not only from books but also through practice will succeed. A. learn B. who C. that learns D. who learn