what did you find he doing?哪里错了 请改正 紧急!

what did you find he doing?哪里错了 请改正 紧急! What kind of activity did you join last term?这句话哪里错了?请帮忙改正, What did you find? What did you find, When is you birthday.(哪里错了）.请改正. What did you do now?哪里错了? what did you visit on vacation.哪里语法错了 what food did you bought哪里错了 Can you tell me what did he say at the meeting?哪里错的 这道题哪里错了请指出改正 "缴文"这个词 错哪里了?请改正 He left the room without say goodbay.哪里错了,请找出并改正.