句型：It's in/on/under... — 英语选择题
题目
Read and choose. 阅读，选出正确答案。
Tom找不到他的橡皮（eraser）了。他说："My eraser is not in the pencil box. It is not under the desk. It is not in the schoolbag." 橡皮只可能在下面哪一个地方？
A. It's on the desk. B. It's in the pencil box. C. It's under the desk. D. It's in the schoolbag.