come to my office中“to”是介词吗

come to my office中“to”是介词吗 改为同义句：Don't come to my office if I don't telephone youDon't come to my office ___I telephone Don't tell him to come to my office.改为肯定强调句怎么改?______ ______ him to come to my office,please.能不能用Make sure him to come to my office,please. Don't tell him to come to my office改为肯定祈使句_____ _____ him to come to my office ,please come on through to my office 翻译 Come to my office.改为否定句 will you please tell JOHN to come to my office come to my office.为什么要加to i want to come to my office能不能不要第二个to,即i want to come my office行吗? Come to my office.(改为反意疑问句) If you have time,you can come to my office. office ,to,come,please,my.连词组句 Come to my office whenever you have question to tell him to come to my office为什么要用to come? Please tell him to come to my office when he _____(come)back. Tell him to come to my office.为什么不是come into? Don't tell him to come to my office改为肯定祈使句____ ______him tocome to my office,please不太可能也，后面已经有了一个please了， I want her to come to my office (划住了to come to my office ,就划线部分提问）