How many days are there in December?

how many days are there in this How many days are there in December? 英语翻译How many days are there in a year How many days make a year How many days are there in Jnly?怎嘛答 They are ? 回答下列句子 How many months are there?How many days are there in a week? how many days are there in a week?怎么回答 How many month days there are in a 造句 how many days are there in january的回答 How many days are there in a week? How many days there are in a week造句 How many days there are in a week 造句 How many days are there in a year How many days are there in a leap year?回答 How many days are there in July?回答此问题. How many days are there in may?回答什么? How many hours are there in 7 days 改成 how many 疑问句 There are 300 days left before the 29th olympic games starts .改成 how many 疑问句 ,主要不确定这里 后置定语left放的位置.呵呵2 距离下班还有5分钟 怎么说? 请改成 how many 疑问句There are 300 days left before the 29th olympic games starts .改成how many 开头的疑问句,主要是不确定 改成问句后,后置定语 left 放在哪个位置?