回答是：Twence a year 用什么提问?

回答是：Twence a year 用什么提问? 一年后是用a year after 还是 a year late 还是a year later? how many times 和 how often..为什么once a year这个回答是用how many times问.. how many months are there in a year怎么回答 How many days are there in a leap year?回答 which is the eighth month of a year 回答 How many moths are there in a year怎么回答 a year /one year那个是标准的啊?谢谢 是a eight-year-old 还是an eight-year-old a year or one year?别人问你来到某个地方有多长时间了,你想回答一年应该是用a year 还是one year呢? .why,请详细的回答和解疑.Jimmy is _____one-year-old boy and he has _____8-year-old sister 答案是（a,an）,但我认为是an,an啊, What is your one-year career goal?What is your five-year career goal?这是外企招聘问的问题,请用英语回答!if u give these answer,i won't have a chance to be interview! Must I face the world without you in a year?I am sorry ,but it's only one year between our respectively and reunion,isn't it?Waiting can be exchanged for several decades time together这是回答, 是one year and a half还是a year and a half?为什么? I hear there is ____rain in this country every year.Is this ture回答是I'm afraid so请问横线处填a lot of还是few how many times ……和 how often……为什么once a year这个回答是用how many times问? she stayed there for a year.对划线部分提问.（划线的是for a year) 一年一次是every a year还是once a year 为啥?