问题描述：
Yes.I'm having dinner with my parents tonight.
请问这里have为什么要加ing呢,我今晚要跟我父母吃饭,我觉得
I'll have dinner with my parents tonight.这样才对,
请问这里have为什么要加ing呢,我今晚要跟我父母吃饭,我觉得
I'll have dinner with my parents tonight.这样才对,
问题解答：
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