when did he buy the car 和when he bought the car 怎么区别在哪

She asked me when he bought the car. 为什么是“Can you tell me when he bought the car"而不是"Can you tell when did he say that he bought this car?是什么时态 did the owner of the car call the police at once when he saw 给个例句：It's June.When did Mr Jones buy that car?(last month)He I bought a used car和I buy a used car 区别在哪 When did he want a car like that one 一、单选题 1、A:When did he ________ the shirt?B:He bought it yest He was about to rob the bank when he saw a police-car coming When he thought he could let the car go without being caught When he saw the damage_____to his car ,he was so angry that When he saw the little boy watching his car ,he asked him fo