描述家居物品的位置 — 英语填空题
题目
完成下面的短文，每空一词。Tom's keys are not in his schoolbag. They are ___ the chair, so he must pick them up. His English book is ___ the bookcase, on the top shelf. The clock is ___ the wall, and his hat is ___ the door, behind it. Please write the four words in order.