A. 对 B. 错
A. Yes, you can. B. No, you can't. C. You can help me. D. I am unable to put my bag in the overhead compartment.
A. 摇篮 B. 单人床 C. 手推车 D. 座位
A. 小桌板 B. 遮光板 C. 座椅 D. 气流