The boys( are talking about the footbaall)对括号内进行提问

问题描述:

The boys( are talking about the footbaall)对括号内进行提问

如果划线部分是:
The boys( are talking about the football)
就应该提问:
What are the boys doing
如果是
The boys are talking about (the football)
就应该提问:
What are the boys talking about?、