There are four seasons in a year.（改为一般疑问句,并作肯定回答）
问题描述：
There are four seasons in a year.（改为一般疑问句,并作肯定回答）
答
Are there four seasons in a year?Yes, threr are.
答
Are there four seasons in a year?Yes，there are.
答
Are there four seasons in a year?
Yes they are.