How many month days there are in a 造句

问题描述:

How many month days there are in a 造句

这个句子是掉乱了.
正确的是How many days are there in a month?
How many = 多少
days = 天数
in a month = 在一个月里
How many days are there in a month = 在一个月里有多少天?