There are 12 months a year.关于这个句子中介词in省略的原因.

There are 12 months a year.关于这个句子中介词in省略的原因. 句子分析：There are 12 months in a year. There are months in a year There are ( ) months in a year.填空 There are ___ months in a year There are 12 months in a year .对12提问 There are 12 months in a year ,对12提问. 连词成句：are,in,there,year,12,a,months(.) 用词组成句子.months how there many are in year a A：How many months are there in a year how many months are there in a year? There are twelve months in a year变一变疑问句