分类：教育/科学-外语学习-英语考试
问题：一道英语很BT的语法题?whatdidtheteacherwan 
what did the teacher want __ to the noisy children.A. doingB. to do. doneD. did答案是哪个啊?请大家详细告诉我为什么?
回答：what did the teacher want __ to the noisy children.
A. doing
B. to do
C. done
D. did
C
你 把原句改成肯定句，就懂了
the teacher wanted ..sth ..done to the noisy children.
这里是对sth 提问了，
因为sth 不能发出do ，所以用了过去分词作了宾补
want sth done 
 I want the radio repaired