选择句子的正确翻译。 1. 我有一个文具盒。 [ ] A. I have a pencil. B. I have a pencil-case. C. I have a crayon. 2. 我有一个卷笔刀。 [ ] A. I have a pen. B. I have a sharpener. C. Show me your sharpener. 3. 让我看看你的尺子。 [ ] A. Show me your ruler. B. I have a ruler. C. Show me your eraser. 4. 打开你的书。 [ ] A. Close your book. B. Open my book. C. Open your book.