have a good time 其中time不可数为什么加a?

have a good time 其中time不可数为什么加a? have a good time. have a good time You Didn't Have A Good Time 歌词 英语句子变否定句?I have a good time.A.I doesn't have a good time.B.I hasn't a good time.选哪一个? have a good time 同义词 have a good time 用法 have a good time 急用 we have a good time! have a good time翻译 Have a good time every They have a good time.( I have a good time Have a good time,every Have a good time= have a good time=have a good day? have a fun time等于have a good time吗 英语翻译这个句子陈述句是The children have a good time in the park.其中have a good time在变感叹句的过程中怎么处理?