is she an air hostess?she是不是变复数变成her?

把下列句子改成复数 He is an engineer Is she an air hostess is she an air hostess?she是不是变复数变成her? There is an air port. She is an American. Is she an apple? She is an American. she is an english 改错she is an English She is an good girl. She is an english对吗 she is a(an)是什么意思 She is an American ,__________? Is there an air-conditioner in your room? Is an air-conditioner over the bed?(否定回答) Is an air-conditioner over the bed?否定回答 there a an air-conditioner is and mirror怎么拼 Yes,there is an air-conditioner.问句是? this is an air-conditioner on the wall有错吗 英语翻译改同义句 the old woman oftenhelps her daughter take care of the baby.the probelm is very difficult.we can't work it out.pass him the bookjohn bought his sister a penlucy gave jingjing an appletom cooked a nice dinner for us.the hostes