根据所给要求改写下列句子每空一词

根据所给要求改写下列句子每空一词
1.i bought my private car ten years ago改同义句
i ______ ________my private car for ten years
2.john's going to meet the exchange students from the us in two hours对划线部分提问 划线部分；in two hours
_______ _______is john going to meet the exchange students from the us?
3.mary's parents hardly buy expensive clothes改为反疑问句
mary's parents hardly buy expensive clothes.______ _______?
4.we will build more underground lines in shanghai in the future改为被动语态
more underground lines will_____ _______in shanghai in the future
5.can you tell me when i can enter for shanghai middle shcool english contest改为同义句
can you tell me_____ ______enter for shanghai middle shcool english contest