方位介词：in / on / under — 英语词汇题
题目
用 in / on / under 补全句子，每空一词。1. The pencil is u______ the chair. It's on the floor. 2. The English book is i______ the schoolbag. 3. The cat is o______ the desk, not under it. 4. My shoes are u______ the bed. 5. The toy bear is o______ the box — you can see it on top.