in the playground 还是on the playgrand
问题描述：
in the playground 还是on the playgrand
答
1. 摘自《英语基础词汇用法词典》 ……表示“在运动场(上)”“在操场(上)”playground前既可用in,也可用on,但以用in为普通：They are playing baseball in [on] the playground. 我的同学在运动场上打棒球.2. 摘自《...