方位介词in、on、under、behind — 英语选择题
题目
教室里，Lily 的铅笔盒在椅子上，一只小鸟从窗外飞来，停在铅笔盒的后面，没有飞进铅笔盒，也没有停在铅笔盒上面、下面。请选出正确的句子：Where's the bird? A. It's in the pencil case. B. It's on the pencil case. C. It's under the pencil case. D. It's behind the pencil case.