How many birthday are there in July?哪里错了,怎样改?

问题描述:

How many birthday are there in July?哪里错了,怎样改?

birthdays 应该是复数所以加s,搭配 are

birthday s

birthday后面加s,be动词是are,宾语应该是复数形式.
这句话翻译为:有多少人在七月份生日?

birthdays