A. 称呼语、正文和结束语 B. 收信人地址、日期和结束语 C. 收信人地址、日期和正文 D. 日期、正文和结束语
A. Dear Mr John（姓名） B. Dear Mr Smith（姓氏） C. Dear Teacher Liu Dear Miss Lily(姓名)
A. Thanks invite me to your party. B. Thans for invite me to your party. C. Thank you for inviting me to your birthday party. D. Thank you inviting me to your party.
A. Yours B. Love C. Sincerely Yours D. Regards
A. I couldn't have succeeded without your help. B. I can't make a success without your help. C. I can't successful without your help. D. I can't succeed without your help.
微信支付 
支付宝支付