是My favourite sport is running.
因为 is 是be动词,后面应加名词,而不是动词,而running是动名词,它也是动词,所以是My favourite sport is running.
是my favourite sport is run.还是my favourite sport is running.
是my favourite sport is run.还是my favourite sport is running.
英语人气：621 ℃时间：2019-10-19 10:28:41
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