方位介词in/on/under等 — 英语词汇题
题目
选出正确的一项：1. My keys are ___ the chair, so please look down for them. 2. Put your books ___ the desk, not inside it. 3. The cat is sleeping ___ the bed, on the floor below it. A. under / on / under B. on / on / under C. under / in / on D. in / on / under