EXERCISE 3I. CHỌN TỪ/ CỤM TỪ THÍCH HỢP (ỨNG VỚI A, B, C, D) ĐỂ HỊAN TH...

15. _____________ some precious things stolen from that ancient tomb.A. People knew that he buys B. It was known that he has boughtC. They knew that he has bought D. They know that he bought