操场上肯定有学生在打篮球,是不是The playground there must be some students plying basketball,----- -

问题描述:

操场上肯定有学生在打篮球,是不是The playground there must be some students plying basketball,----- -
------?

There must be many students playing basketball on the playground
这样说
有不明白的地方再问哟,祝你学习进步,更上一层楼! (*^__^*)操场上肯定有学生在打篮球,是不是?翻译,添最后两个空aren't they?