in a world 应当怎么用

in a world 应当怎么用 用提公因式法解 3（a-2)²-6（a-2) 应当怎么解 Where __did you go A.in world B.in the world C.on world D.on A friend walks in when the rest of the world walks out 这句话怎么 It’s possible to make great achievement in so big a world!怎么 There are a lot of problems in the world.怎么读? - It is not easy tomeet eath other in sush a big world.怎么翻译 every woman in the world 怎么发音 Three people in the world 怎么读 Warm Heart In a Cold World 歌词 英语翻译 in a tooth-and-claw world Fly with me in a perfect world!