put the phone 而且有put the phone offput the phone onput the phone up这几种说法吗?

put the phone 而且有put the phone offput the phone onput the phone up这几种说法吗? put the phone down 为什么没有put down the phone? Put the Phone Down 歌词 You shouldn't____(put) your mobile phone beside the computer. put the phone down 与lucy put the sandwiches on tput the phone down 与lucy put the sandwiches on the table.为什么第二个句子没有down. put the meeting off put off meeting有什么区别? put put put put put Put put put put put... put put