用邮件是用A on B in

用邮件是用A on B in Susan is sitting ____ a chair in the garden． A.in B.on我也认为是on，但书上用in，为什么？ 下列关于邮件系统工作过程的描述中,错误的是 A）用户使用客户端软件创建新邮件B）客户端软件使用SMTP协议将邮件发送到接收方的邮件服务器C）接收方的邮件服务器将收到的邮件存储在用 英语翻译“正式中文名和B公司是一样的么?”用在邮件里“Is offical company name in Chinese the same Company ”语法上有错误么? He wore his_____clothes______his birthday.A.best,on B.the best,on C.the best,in D.best,at主要是分不清用on还是at He wants a job (in/on) radio.是用in还是on?讲解.谢 交通工具前介词的用法on a train,on a bus,in a boat,in a car,是这么用吗,boat前用on 还是in 想英文法邮件订房.Hello,I find your contact information on the internet.I'd like to book a room in your here,how much is your prices here.这个是在翻译器上用中文翻译过来的.问问各位亲这样能看得明吗? 全世界%多少邮件是用英文书写? ( ) a cold winter night.是用in还是on? ---------a Sunday morning 是用in还是on? Children get gifts ____ Christmas and ____ their birthdays.A.on; on B.at; on C.in; in D.in; on答案是B,A为什么不可以 Sam was___Denmark___July.A.in,on B.on,in C.in,in D.on,on way 是用在什么介词后?A,by B,on C,near D,in[ ]the way ,he stopped in front of a yellow house in a very cold morning 还是用on a very cold morning,到底是用in 还是on I see a doctor( )two（ ）the afternoon( )october 12用in,at ,of ,on填空A at，on of B at,in,in C in,on,of D A或B Korea(朝鲜) is _____ Asia. It's _____ the northeast of China and _____ the west of Japan.A. in; to; on B. in; on; to C. on; in; to D. to; on; in第一个没问题,主要是,后面为什么用on……to,是什么意思? make a difference in your life 英文语句有问题吗?放在邮件签名用的.可以吗?