there____a football match on tv this evening?是will have 还是 is going to be?为什么?

问题描述:

there____a football match on tv this evening?是will have 还是 is going to be?为什么?

is going to be
虽然两者都是将来时,但前者没有表示确定的时间,只是笼统的一个未来的概念.句中既然出现了this evening,有固定时间,则用后者.