I am busy when people come out to dinners中怎么会有dinners?dinner不是不可数吗

When is Li Siguang's birthday?I am very busy! i am very busy when people go out to dinners I AM BUSY NOW? i am vrey busy when people go out to dinners中when的意思 i am quite busy at NO I am not busy I,WHEN,OUT,BUSY,PEOPLE,DINNERS,AM,GO,to,very连词成句 I am very busy when people go out[ ]dinner.I am very busy when people go out[ to ]dinners.我记得课文里是I am very busy when people go out[ to ]dinners.但我在对答案是发现答案上是‘for' 题上是I am very busy when people go out[ ] busy,when,out,i,dinners,people,go,to,am组词一句话 He always comes on the days when I am busy这句中on the days怎样理解 I am busy yesterday为什么加am 初三上册第二单元3a英语翻译My biggst problem is that i am too busy.when i when i am gone I am very busy.同义句 I am busy and will go home i am busy now.don’t interrupt 翻译：I am busy and tired. I am busy __(do)my homework.