方位介词 in, on, under 的使用 — 英语选择题
题目
Lily's new schoolbag is on the desk. In it, there is a pencil box. Her ruler is not in the pencil box — it is under the English book, and the English book is in the schoolbag. So where is the ruler? A. It is on the desk. B. It is in the pencil box. C. It is in the schoolbag. D. It is under the desk.