Viết lại câu sao cho nghĩa ko đổi bằng 3 cách :a) They are thr biggest buildings in the city. b)The weight lifters is the strongest in the men. C) Hoa is the best studeny in our class. D) Unit 1 is the easiest unit in this book (câu d mk ko chắc đã xắp xếp đúng)