There ________ two football matches tomorrow afternoon.

问题描述:

There ________ two football matches tomorrow afternoon.
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A.will have
B.are going to be

C.is going to be
D.are going to have

考察 there be 句型.---排除A 和D.
这个句子是将来时态,用be going to或者will来表达.two football matches是复数,所以排除C.
所以就选B.