There are 3 days in the year 2010还有3天就到2010年了这句 用了什么语法呢

how many days are there in this There are usually[ ] days in February Are there thirty-one days in April? usually there are ( ) days in februday? There are seven days in a there are fourteen days in _____ week. There are ( ) days in a week.填空 Are there six days in a week? How many days are there in December? there are _ days in february ,somtimes there are _ days. How many days are there in Jnly?怎嘛答 They are ? there are days in February in each leap there are fifteen days 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 There are seven days in a week对seven提问 How many days are there in a week?