this is an e-mail对an e-mail提问

this is an e-mail对an e-mail提问 Is this your second time (send) an e-mail? is,an,writing,father,e-mail,my an e-mail adddress 填空：这是一封你爷爷给你的电子邮件.This is an e-mail ---------your grandtather -------you. write an e-mail 是什么意思 an e-mail的音标 seng an e-mail是什么意思 do you have an e mail addrss?what is it? tom is reading an e-mail from peter一般疑问句 my father is writing an e-mail.问句是什么 he is writing an e-mail the study help Dad,an,writing,is,e-mail连词成句 Here is an e-mail from my fiend. Make an information card.Then write an e-mail about yourself.Dear friend,My name is... Lcy will finish writing an e-mail (in half an hour)对括号里提问 e-mail是不可数名词,为什么还有“an e-mail” 是a E-mail还是an E-mail?为什么,