There is going to be a sports meetThere is going to be a sports meet next weekend.为什么句子要用be going to be 而不用be going to have?

分类: 作业答案 • 2021-12-18 22:34:05

问题描述：

There is going to be a sports meet
There is going to be a sports meet next weekend.为什么句子要用be going to be 而不用be going to have?

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