题目内容：

the students usually play basketball in the playground划线部分是 play basketball

优质解答

what do the students usually do in the playground?
这些学生通常在操场上做什么?
另外,教科书上是on the playground,在操场上,当然,如果题目中是in the playground那就按题目吧.
希望可以帮助你.