he said-----A.if you were free tomorrow.B.summer comes after spring.选什么.并告诉我原因.

问题描述:

he said-----A.if you were free tomorrow.B.summer comes after spring.选什么.并告诉我原因.

B.
因为夏天在春天后到来是客观事实,所以这里的过去时要用三单形式.
A中的were应为are,因为if引导的宾语从句应用现在时代替将来时.