方位介词in/on/behind/in front of — 英语词汇题
题目
选择正确的方位介词填空（每空一词）：1. My eraser is ______ my pencil box.（橡皮在文具盒里面。）2. The teachers' office is ______ the second floor. 3. Daniel sits ______ Amy, so Amy can't see him—he is right at her back. 4. There is a tall tree ______ our classroom building, just before the gate of it.