这两句话有什么区别?they do not have to put their heart into studying和

英语翻译：They don't have to put all their effort into studying a put to 和 put into 有什么区别 do not have和have not有什么区别啊 do not和have not有什么区别: put into put in有什么区别 what they should do is to put their money to good use 这里怎么有d put in ,put inside ,put into 有什么区别啊? I put my heart to you, do not lose you,? I put my heart to you,do not lose you? We do not think that they should have been put to this troub I do not have和I have not有什么区别 went to和got into和put into的区别