1.The present cost Mr Wang 200yuan.(改为一般疑问句）
2.He would give it to charity if he had one million dollars,__ __(完成反意疑问句)
3.This book is _mine_.(对划线部分提问)
4.Bob has disagreed with what she said__ __?(完成反意疑问句)
5.English grammar is very diffcult .(变为感叹句)