EXERCISE 2I. CHỌN TỪ/ CỤM TỪ THÍCH HỢP (ỨNG VỚI A, B, C, D) ĐỂ HÒAN TH...

4. My nephew ______ chose a lot of toys at the Toy World store for his father, ______ is my elder brother, paid a large amount of money.A. which / whose B. whom / who C. which / who D. who / who