If you sit in a chair _________ al ong time,your back may be

If you could go back in time and change a moment in your pas 英语翻译( )9 .It is good for your back and neck if you sit in th sit in a chair sit on区别 T______is a chair in the room .You can sit. 是sit in a chair还是sit on a chair? sit in a chair还是sit on a chair? If you could go back in time... 13.If you travel in a foreign country,a tour _________ may s Sit on your chair!Now the chair is ______ you. when you sit,your butt should fit in the chair,not high in t If you could go back in time to any date,when would it be an 是sit in a chair还是at a chair