我想一想,我认为应该是what do you want to do又觉得是where do you want to go,但我觉得
应该是what do you want to do毕竟括号中是做某事吗,你说呢,楼主应该是用“what”吧。。。我也是这么想，go to school是做某事吗，所以答案就是what do you want to do用不用加“with your brother”？？？本人不确定，想想还是加把，听楼下的哦