Câu hỏi câu 20: I.....the book by the time you come tonight Câu trả lời câu 37: A. It took tge flight to Moscow in three and a half hours B. It took in three and half hours for flight to Moscow C. The flight to Moscow spent three and a half hours D. It took three and a half hours to fly to Moscow XIN HÃY GIẢI THÍCH