1. Is this your book? （这是你的书吗?)2. Do you see my pen on my desk? (你看到了我的桌子上的钢笔吗?)3. This is not your book. (这不是你的书.)4. You don't see my pen on my desk. (你看不到我桌子上的钢笔.)5. Whose is this book? (这是谁的书?)(your为划线部分)6. Where do you see my pen? (你在哪里看到我的钢笔?)(on my desk为划线部分)...
